{"title":"Pure Copper 110 Wire — Bare Solid Copper Wire by Gauge","description":"\u003cstyle\u003e\n.pcw-wrap{max-width:1200px;margin:0 auto;padding:8px 14px 28px;color:#222;font-size:16px;line-height:1.7;font-family:inherit}\n.pcw-wrap *{box-sizing:border-box}\n.pcw-wrap h2{color:#005969;font-size:clamp(22px,3.2vw,32px);line-height:1.3;margin:10px 0 14px}\n.pcw-wrap h3{color:#005969;font-size:clamp(18px,2.4vw,23px);margin:30px 0 10px}\n.pcw-wrap h4{color:#005969;font-size:17px;margin:12px 0 6px}\n.pcw-wrap p{margin:0 0 12px}\n.pcw-wrap a{color:#00AAFF;text-decoration:none}\n.pcw-wrap a:hover{text-decoration:underline}\n.pcw-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin:16px 0 8px}\n.pcw-card{border:1px solid #e2e8ea;border-radius:10px;background:#fff;padding:14px 16px}\n.pcw-card p{font-size:14.5px;margin:0 0 8px}\n.pcw-link{font-weight:600;font-size:14.5px;display:inline-block;margin-top:2px}\n.pcw-feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:14px 0}\n.pcw-feat{border-left:3px solid #00AAFF;background:#f5fafb;padding:10px 14px;border-radius:0 8px 8px 0}\n.pcw-feat b{color:#005969;display:block;margin-bottom:2px}\n.pcw-ship{background:#f5fafb;border:1px solid #d6e9ec;border-radius:10px;padding:14px 18px;margin:14px 0}\n.pcw-faq{border-bottom:1px solid #e6ecec;padding:10px 0}\n.pcw-other{margin-top:26px;padding-top:14px;border-top:1px solid #e6ecec;font-size:15px}\n@media (max-width:480px){.pcw-grid{grid-template-columns:1fr}.pcw-wrap{font-size:15.5px}}\n\u003c\/style\u003e\n\n\u003cdiv class=\"pcw-wrap\"\u003e\n\n\u003ch2\u003ePure Copper 110 Wire — Bare Solid Copper Wire by Gauge\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePure copper 110 wire\u003c\/strong\u003e is bare, solid copper wire drawn from 99.9% pure copper 110, chosen for high electrical conductivity, easy forming and bending, and natural corrosion resistance. This collection offers bare solid pure copper 110 wire by the spool or in cut lengths, sized in AWG gauge, millimeters, and inches, for electrical, grounding, winding, forming, and craft work across the United States.\u003c\/p\u003e\n\n\u003ch3\u003ePure Copper 110 Wire Forms\u003c\/h3\u003e\n\u003cdiv class=\"pcw-grid\"\u003e\n\n  \u003cdiv class=\"pcw-card\"\u003e\n    \u003ch4\u003eBare Copper Wire on Spool\u003c\/h4\u003e\n    \u003cp\u003eBare solid pure copper 110 wire wound on spools or coils in common AWG gauges, ready for continuous runs, winding, tying, grounding leads, harness work, and production use.\u003c\/p\u003e\n    \u003ca class=\"pcw-link\" href=\"\/products\/pure-copper-110-bare-wire\"\u003eShop Copper 110 Wire on Spool →\u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"pcw-card\"\u003e\n    \u003ch4\u003eCut-Length Straight Wire\u003c\/h4\u003e\n    \u003cp\u003eStraight pure copper 110 wire cut to your required length for jumpers, pins, conductive links, wire forming, model making, jewelry frames, and small fabrication jobs.\u003c\/p\u003e\n    \u003ca class=\"pcw-link\" href=\"\/products\/pure-copper-110-bare-wire\"\u003eShop Cut-Length Copper 110 Wire →\u003c\/a\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003ch3\u003eGauges, Diameters \u0026amp; Custom Lengths\u003c\/h3\u003e\n\u003cp\u003ePure copper 110 wire is selected by wire diameter, shown in \u003cstrong\u003eAWG (American Wire Gauge), millimeters, and inches\u003c\/strong\u003e so you can match US electrical practice or metric drawings. It is supplied on spools for continuous use or cut to specified straight lengths, with custom lengths and pack quantities available for your project.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Pure Copper 110 Wire\u003c\/h3\u003e\n\u003cdiv class=\"pcw-feats\"\u003e\n  \u003cdiv class=\"pcw-feat\"\u003e\n\u003cb\u003e99.9% Pure Copper\u003c\/b\u003eHigh-purity 110 copper wire for dependable electrical conductivity in every gauge.\u003c\/div\u003e\n  \u003cdiv class=\"pcw-feat\"\u003e\n\u003cb\u003eBare \u0026amp; Solid\u003c\/b\u003eUncoated solid copper wire that forms, wraps, and solders cleanly.\u003c\/div\u003e\n  \u003cdiv class=\"pcw-feat\"\u003e\n\u003cb\u003eAWG, mm \u0026amp; Inch\u003c\/b\u003eDiameter listed in American Wire Gauge plus metric and inch equivalents.\u003c\/div\u003e\n  \u003cdiv class=\"pcw-feat\"\u003e\n\u003cb\u003eSpool or Cut Length\u003c\/b\u003eChoose continuous spooled wire or pre-cut straight lengths to order.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cp\u003ePure copper 110 wire is widely used for grounding and bonding leads, electrical conductors and jumpers, transformer, coil, and motor winding, busbar connections and conductive links, switchgear and panel wiring, antenna and hobby electronics, wire forming and mesh, jewelry making, sculptural and metal crafts, garden plant ties, and general conductive or forming work.\u003c\/p\u003e\n\n\u003ch3\u003eShipping \u0026amp; Delivery\u003c\/h3\u003e\n\u003cdiv class=\"pcw-ship\"\u003e\n\u003cp\u003e\u003cstrong\u003eStandard (in-stock) pure copper 110 wire ships within 1–5 business days.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCustom-cut or processed orders\u003c\/strong\u003e require additional handling time based on processing difficulty and complexity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAfter shipment, delivery typically takes 7–15 days\u003c\/strong\u003e to arrive, depending on the destination.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003ePure Copper 110 Wire FAQ\u003c\/h3\u003e\n\u003cdiv class=\"pcw-faq\"\u003e\n\u003ch4\u003eHow is pure copper 110 wire measured?\u003c\/h4\u003e\n\u003cp\u003eBy wire diameter, listed in AWG (American Wire Gauge) with millimeter and inch equivalents, so you can match either US gauges or metric specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pcw-faq\"\u003e\n\u003ch4\u003eIs the copper wire bare and solid?\u003c\/h4\u003e\n\u003cp\u003eYes. This is bare, uncoated, solid pure copper 110 wire — not insulated and not stranded — supplied on spools or as straight cut lengths.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pcw-faq\"\u003e\n\u003ch4\u003eCan copper wire be supplied in custom lengths?\u003c\/h4\u003e\n\u003cp\u003eYes. Pure copper 110 wire can be ordered on spools for continuous runs or cut to specified straight lengths in the gauge your project needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pcw-other\"\u003e\n\u003cstrong\u003eOther pure copper 110 forms:\u003c\/strong\u003e\n\u003ca href=\"\/collections\/pure-copper-110-bar-rod\"\u003eCopper Bar \u0026amp; Rod\u003c\/a\u003e ·\n\u003ca href=\"\/collections\/pure-copper-110-sheet-plate\"\u003eCopper Sheet \u0026amp; Plate\u003c\/a\u003e ·\n\u003ca href=\"\/collections\/pure-copper-110-foil\"\u003eCopper Foil\u003c\/a\u003e ·\n\u003ca href=\"\/collections\/pure-copper-110-tube\"\u003eCopper Tube\u003c\/a\u003e ·\n\u003ca href=\"\/collections\/pure-copper-110\"\u003eView all Pure Copper 110\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n","products":[{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut","title":"Pure Copper Wire OD 0.03mm extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.03mm \/ 1m (3ft)","offer_id":43582912692283,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43582912725051,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43582912757819,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43582912790587,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43582912823355,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43582912856123,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43582912888891,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43582912921659,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43582912954427,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43582912987195,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43582913019963,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43582913052731,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43582913085499,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43582913118267,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43582913151035,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43582913183803,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43582913216571,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-1","title":"Pure Copper Wire OD 0.05mm extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.05mm \/ 1m (3ft)","offer_id":43583596036155,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583596003387,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583596068923,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583596101691,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583596134459,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583596167227,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583596199995,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583596232763,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583596265531,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583596298299,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583596331067,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583596363835,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583596396603,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583596429371,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583596462139,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583596494907,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583596527675,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-2","title":"Pure Copper Wire OD 0.08mm extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.08mm \/ 1m (3ft)","offer_id":43583607341115,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583607308347,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583607275579,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583607373883,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583607406651,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583607439419,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583607472187,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583607504955,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583607537723,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583607570491,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583607603259,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583607636027,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583607668795,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583607701563,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583607734331,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583607767099,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583607799867,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-3","title":"Pure Copper Wire OD 0.1mm (0.004\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 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20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583622611003,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583622545467,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583622578235,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583622512699,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583622643771,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583622676539,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583622709307,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583622742075,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583622774843,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583622807611,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583622840379,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583622873147,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583622905915,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583622938683,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583622971451,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583623004219,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583623036987,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-4","title":"Pure Copper Wire OD 0.15mm (0.006\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583632900155,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583632801851,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583632834619,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583632867387,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583632769083,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583632932923,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583632965691,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583632998459,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583633031227,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583633063995,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583633096763,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583633129531,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583633162299,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583633195067,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583633227835,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583633260603,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583633293371,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-5","title":"Pure Copper Wire OD 0.2mm (0.008\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583644270651,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583644139579,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583644172347,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583644205115,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583644237883,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583644106811,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583644303419,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583644336187,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583644368955,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583644401723,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583644434491,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583644467259,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583644500027,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583644532795,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583644565563,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583644598331,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583644631099,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-6","title":"Pure Copper Wire OD 0.25mm (0.01\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583658721339,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583658557499,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583658590267,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583658623035,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583658655803,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583658688571,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583658524731,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583658754107,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583658786875,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583658819643,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583658852411,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583658885179,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583658917947,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583658950715,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583658983483,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583659016251,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583659049019,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-7","title":"Pure Copper Wire OD 0.3mm (0.012\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583670517819,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583670321211,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583670353979,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583670386747,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583670419515,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583670452283,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583670485051,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583670288443,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583670550587,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583670583355,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583670616123,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583670648891,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583670681659,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583670714427,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583670747195,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583670779963,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583670812731,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-8","title":"Pure Copper Wire OD 0.4mm (0.016\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583681167419,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583680938043,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583680970811,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583681003579,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583681036347,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583681069115,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583681101883,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583681134651,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583680905275,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583681200187,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583681232955,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583681265723,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583681298491,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583681331259,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583681364027,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583681396795,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583681429563,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-9","title":"Pure Copper Wire OD 0.5mm (0.02\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583692767291,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583692505147,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583692537915,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583692570683,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583692603451,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583692636219,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583692668987,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583692701755,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583692734523,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583692472379,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583692800059,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583692832827,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583692865595,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583692898363,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583692931131,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583692963899,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583692996667,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-10","title":"Pure Copper Wire OD 0.6mm (0.024\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583714951227,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583714656315,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583714689083,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583714721851,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583714754619,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583714787387,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583714820155,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583714852923,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583714885691,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583714918459,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583714623547,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583714983995,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583715016763,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583715049531,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583715082299,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583715115067,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583715147835,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-11","title":"Pure Copper Wire OD 0.8mm (0.032\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583734480955,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583734153275,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583734186043,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583734218811,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583734251579,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583734284347,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583734317115,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583734349883,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583734382651,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583734415419,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583734448187,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583734120507,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583734513723,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583734546491,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583734579259,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583734612027,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583734644795,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-12","title":"Pure Copper Wire OD 1.0mm (0.04\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583745163323,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583744802875,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583744835643,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583744868411,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583744901179,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583744933947,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583744966715,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583744999483,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583745032251,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583745065019,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583745097787,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583745130555,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583744770107,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583745196091,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583745228859,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583745261627,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583745294395,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-13","title":"Pure Copper Wire OD 1.5mm (0.06\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583753125947,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583752732731,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583752765499,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583752798267,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583752831035,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583752863803,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583752896571,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583752929339,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583752962107,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583752994875,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583753027643,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583753060411,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583753093179,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583752699963,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583753158715,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583753191483,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583753224251,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-14","title":"Pure Copper Wire OD 2.0mm (0.079\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583760105531,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583759679547,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583759712315,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583759745083,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583759777851,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583759810619,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583759843387,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583759876155,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583759908923,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583759941691,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583759974459,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583760007227,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583760039995,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583760072763,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583759646779,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583760138299,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583760171067,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-15","title":"Pure Copper Wire OD 2.5mm (0.098\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 25px);\n      background: white;\n      border-top: 4px solid #00AAFF;\n      box-shadow: 0 4px 10px rgba(0,0,0,0.05);\n      padding: clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      min-width: 300px;\n    }\n    .feature-card h3 {\n      color: #005969;\n      font-size: clamp(1.4rem, 2.5vw, 1.8rem);\n      display: flex;\n      align-items: center;\n      gap: 10px;\n      margin-bottom: 15px;\n    }\n    .feature-card h3::before {\n      content: '✔';\n      color: #00AAFF;\n      font-size: clamp(1.2rem, 2vw, 1.5rem);\n    }\n    .feature-card p {\n      font-size: clamp(1.1rem, 2vw, 1.25rem);\n      color: #444;\n    }\n\n    \/* 规格表格区 *\/\n    .specs-table-container {\n      margin: clamp(40px, 6vw, 60px) 0;\n      padding: clamp(20px, 4vw, 40px);\n      background-color: #ffffff;\n      border: 1px solid #e0e0e0;\n      border-radius: 8px;\n      border-left: 6px solid #b87333;\n      overflow-x: auto; \/* 防止小屏幕表格溢出 *\/\n    }\n    .specs-table-container h2 {\n      color: #005969;\n      text-align: center;\n      margin-bottom: 30px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    table.copper-specs {\n      width: 100%;\n      border-collapse: collapse;\n      min-width: 500px; \/* 保证表格在手机上可滑动而不挤压变形 *\/\n    }\n    table.copper-specs th, table.copper-specs td {\n      padding: clamp(12px, 2vw, 20px);\n      text-align: left;\n      border-bottom: 1px solid #eeeeee;\n      font-size: clamp(1.1rem, 1.8vw, 1.3rem);\n    }\n    table.copper-specs th {\n      background-color: #f4f4f4;\n      color: #005969;\n      font-weight: bold;\n      width: 35%;\n    }\n    table.copper-specs tr:hover td {\n      background-color: #fcfcfc;\n    }\n\n    \/* 应用场景区 *\/\n    .applications-section {\n      background: linear-gradient(to right, #005969, #007a90);\n      color: white;\n      padding: clamp(40px, 6vw, 60px) clamp(20px, 4vw, 40px);\n      border-radius: 8px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .applications-section h2 {\n      text-align: center;\n      color: white;\n      margin-bottom: 20px;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n    }\n    .applications-section \u003e p {\n      font-size: clamp(1.1rem, 2vw, 1.4rem);\n    }\n    .app-list {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 20px;\n      list-style: none;\n      padding: 0;\n      margin-top: 30px;\n    }\n    .app-list li {\n      background: rgba(255,255,255,0.1);\n      padding: 20px;\n      border-radius: 5px;\n      flex: 1 1 calc(33.333% - 20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583768854587,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583768395835,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583768428603,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583768461371,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583768494139,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583768526907,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583768559675,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583768592443,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583768625211,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583768657979,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583768690747,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583768723515,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583768756283,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583768789051,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583768821819,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583768363067,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583768887355,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"},{"product_id":"conductive-bare-pure-red-copper-wire-filament-custom-cut-16","title":"Pure Copper Wire OD 3.0mm (0.118\") extra fine filament","description":"\u003cstyle\u003e\n    \/* 基础重置 *\/\n    .copper-container * {\n      box-sizing: border-box;\n    }\n    .copper-container h1, .copper-container h2, .copper-container h3 {\n      margin-top: 0;\n    }\n\n    \/* 顶部横幅区 *\/\n    .hero-section {\n      background: linear-gradient(135deg, #005969 0%, #003b46 100%);\n      color: white;\n      text-align: center;\n      padding: clamp(40px, 8vw, 80px) 20px;\n      border-bottom: 5px solid #b87333;\n      border-radius: 8px 8px 0 0;\n    }\n    .hero-section h1 {\n      \/* 使用 clamp 实现响应式大字体：最小 2rem，随屏幕宽度放大，最大 3.5rem *\/\n      font-size: clamp(2rem, 5vw, 3.5rem);\n      font-weight: bold;\n      margin-bottom: 20px;\n      letter-spacing: 1px;\n    }\n    .hero-section p {\n      font-size: clamp(1.2rem, 2.5vw, 1.5rem);\n      color: #e0f7fa;\n      max-width: 800px;\n      margin: 0 auto;\n      line-height: 1.8;\n    }\n    .highlight-text {\n      color: #b87333;\n      font-weight: bold;\n    }\n\n    \/* 介绍区 *\/\n    .intro-section {\n      padding: clamp(30px, 5vw, 50px) 20px;\n      text-align: center;\n      background-color: #f9f9f9;\n    }\n    .intro-section h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.8rem);\n      margin-bottom: 25px;\n    }\n    .intro-section p {\n      font-size: clamp(1.1rem, 2vw, 1.3rem);\n      max-width: 900px;\n      margin: 0 auto 20px auto;\n      line-height: 1.8;\n    }\n\n    \/* 特性卡片网格 *\/\n    .features-grid {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 25px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n    .feature-card {\n      flex: 1 1 calc(50% - 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20px);\n      min-width: 280px;\n      border-left: 4px solid #b87333;\n      font-size: clamp(1.1rem, 1.8vw, 1.25rem);\n      line-height: 1.6;\n    }\n    .app-list li span {\n      color: #00AAFF;\n      font-weight: bold;\n      font-size: clamp(1.2rem, 2vw, 1.4rem);\n      display: block;\n      margin-bottom: 8px;\n    }\n\n    \/* 底部保证区 *\/\n    .pure-guarantee {\n      text-align: center;\n      padding: clamp(30px, 5vw, 50px) 20px;\n      border: 2px dashed #00AAFF;\n      border-radius: 8px;\n      background-color: #f0faff;\n      margin-bottom: 40px;\n    }\n    .pure-guarantee h2 {\n      color: #005969;\n      font-size: clamp(1.8rem, 4vw, 2.5rem);\n      margin-bottom: 20px;\n    }\n    .pure-guarantee p {\n      color: #333;\n      font-size: clamp(1.1rem, 2vw, 1.35rem);\n      line-height: 1.8;\n      max-width: 900px;\n      margin: 0 auto;\n    }\n\n    \/* 装饰条 *\/\n    .color-accent-bar {\n      height: 8px;\n      background: linear-gradient(90deg, #005969 0%, #00AAFF 50%, #b87333 100%);\n      border-radius: 4px;\n      margin: clamp(30px, 5vw, 50px) 0;\n    }\n\n    \/* 底部提示 *\/\n    .footer-note {\n      text-align: center;\n      color: #666;\n      font-size: clamp(0.95rem, 1.5vw, 1.1rem);\n      margin-top: 20px;\n    }\n  \u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"copper-container\"\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003ch1\u003ePremium Bare Pure Copper Wire\u003c\/h1\u003e\n\u003cp\u003eUltra-Fine, Uncoated, and Highly Conductive. The absolute pinnacle of pure red copper for your most demanding electrical, industrial, and creative projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"intro-section\"\u003e\n\u003ch2\u003eUncompromising 99.9% Purity\u003c\/h2\u003e\n\u003cp\u003eWhen precision and performance matter, ordinary wire simply won't suffice. Our \u003cstrong\u003eBare Pure Copper Wire\u003c\/strong\u003e is manufactured to the highest industry standards, ensuring a minimum copper purity of 99.9%. Known for its striking, natural reddish-purple hue, this \u003cspan class=\"highlight-text\"\u003esolid red copper wire\u003c\/span\u003e contains no insulation, no coatings, and no hidden alloys.\u003c\/p\u003e\n\u003cp\u003eWhether you require ultra-fine threading for delicate electromagnetics or robust conductive wire for grounding, our bare copper delivers flawless electrical and thermal conductivity every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"features-grid\"\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eExceptional Conductivity\u003c\/h3\u003e\n\u003cp\u003eBoasting a naturally high density and pure atomic structure, our pure copper wire offers exceptionally low electrical resistance. It guarantees superior energy transmission, making it the top choice for motors, coils, and advanced circuitry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003e100% Bare \u0026amp; Uncoated\u003c\/h3\u003e\n\u003cp\u003eThis is genuine naked copper. There is no enamel, no plastic insulation, and no varnish. It is ready for immediate soldering, grounding, twisting, or oxidation treatments without the need for stripping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eSupreme Ductility\u003c\/h3\u003e\n\u003cp\u003ePure copper is inherently soft and malleable. It bends, twists, and forms with incredible ease, holding complex shapes without snapping or compromising its structural integrity. Ideal for intricate wire-wrapping and micromachining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003e\n\u003ch3\u003eUltra-Fine Precision\u003c\/h3\u003e\n\u003cp\u003eManufactured using state-of-the-art extrusion and drawing techniques, our ultra-fine copper strands feature perfectly consistent diameters from end to end, ensuring reliable performance in high-tolerance applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-table-container\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"copper-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Red Copper (紫铜)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity Level\u003c\/th\u003e\n\u003ctd\u003eCu + Ag ≥ 99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eBare \/ Uninsulated \/ Uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural Reddish-Purple \/ Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eHighly Conductive (Excellent electrical \u0026amp; thermal transfer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlexibility\u003c\/th\u003e\n\u003ctd\u003eSoft \/ Dead Soft (Highly malleable and ductile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003eFrom Ultra-Fine (Micro-strands) to Standard Gauges (Select from dropdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"applications-section\"\u003e\n\u003ch2\u003eEndless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; margin-bottom: 30px;\"\u003eEngineered for professionals, loved by creators. Our bare copper wire adapts perfectly to a massive range of disciplines.\u003c\/p\u003e\n\u003cul class=\"app-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eElectrical Engineering\u003c\/span\u003e Grounding wires, transformer coils, motor armatures, and conductive shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eScience \u0026amp; Education\u003c\/span\u003e Electromagnet construction, physics experiments, and conductive trace demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eJewelry \u0026amp; Crafting\u003c\/span\u003e Wire wrapping, artisan jewelry creation, weaving, and custom beadwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHorticulture (Electroculture)\u003c\/span\u003e Creating atmospheric antennas for electroculture gardening to promote plant growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIndustrial Manufacturing\u003c\/span\u003e Fine mesh weaving, conductive brushes, and precision micro-components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThermal Management\u003c\/span\u003e Custom heat sinks and thermal dissipation applications due to high heat conductivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pure-guarantee\"\u003e\n\u003ch2\u003eThe Pure Red Copper Guarantee\u003c\/h2\u003e\n\u003cp\u003eWe do not compromise. You will not find mixed metals, aluminum cores, or mystery alloys here. This product is strictly \u003cstrong\u003esolid, bare, pure copper\u003c\/strong\u003e. You can expect a brilliant, natural copper luster that will develop a beautiful, authentic patina over time if left exposed to the elements—the true hallmark of genuine, uncoated red copper.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"color-accent-bar\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"footer-note\"\u003e\n\u003cp\u003e\u003cem\u003ePlease ensure you select the correct wire diameter\/gauge for your specific application before adding to cart. For bulk orders or specialized lengths, please contact our support team.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RapidKeen","offers":[{"title":"3.0mm (0.118\") \/ 1m (3ft)","offer_id":43583783305275,"sku":null,"price":9.82,"currency_code":"USD","in_stock":true},{"title":"0.03mm \/ 1m (3ft)","offer_id":43583782813755,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.05mm \/ 1m (3ft)","offer_id":43583782846523,"sku":null,"price":3.1,"currency_code":"USD","in_stock":true},{"title":"0.08mm \/ 1m (3ft)","offer_id":43583782879291,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.1mm (0.004\") \/ 1m (3ft)","offer_id":43583782912059,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.15mm (0.006\") \/ 1m (3ft)","offer_id":43583782944827,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.2mm (0.008\") \/ 1m (3ft)","offer_id":43583782977595,"sku":null,"price":2.58,"currency_code":"USD","in_stock":true},{"title":"0.25mm (0.01\") \/ 1m (3ft)","offer_id":43583783010363,"sku":null,"price":2.69,"currency_code":"USD","in_stock":true},{"title":"0.3mm (0.012\") \/ 1m (3ft)","offer_id":43583783043131,"sku":null,"price":3.62,"currency_code":"USD","in_stock":true},{"title":"0.4mm (0.016\") \/ 1m (3ft)","offer_id":43583783075899,"sku":null,"price":4.13,"currency_code":"USD","in_stock":true},{"title":"0.5mm (0.02\") \/ 1m (3ft)","offer_id":43583783108667,"sku":null,"price":4.65,"currency_code":"USD","in_stock":true},{"title":"0.6mm (0.024\") \/ 1m (3ft)","offer_id":43583783141435,"sku":null,"price":5.17,"currency_code":"USD","in_stock":true},{"title":"0.8mm (0.032\") \/ 1m (3ft)","offer_id":43583783174203,"sku":null,"price":5.68,"currency_code":"USD","in_stock":true},{"title":"1.0mm (0.04\") \/ 1m (3ft)","offer_id":43583783206971,"sku":null,"price":6.2,"currency_code":"USD","in_stock":true},{"title":"1.5mm (0.06\") \/ 1m (3ft)","offer_id":43583783239739,"sku":null,"price":8.27,"currency_code":"USD","in_stock":true},{"title":"2.0mm (0.079\") \/ 1m (3ft)","offer_id":43583783272507,"sku":null,"price":8.78,"currency_code":"USD","in_stock":true},{"title":"2.5mm (0.098\") \/ 1m (3ft)","offer_id":43583782780987,"sku":null,"price":9.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/files\/pure-copper-wire-different-gauges-assortment.webp?v=1787494754"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4473\/6059\/collections\/redcopperwire.webp?v=1781012949","url":"https:\/\/rapidkeen.com\/collections\/pure-copper-110-wire.oembed","provider":"RapidKeen","version":"1.0","type":"link"}