{"product_id":"highly-pure-copper-strip-flat-bar-cu-metal-plate-sheet-20-100mm-wide-10mm-thick","title":"Highly Pure Copper Strip Flat Bar Cu Metal Plate Sheet 20-100mm Wide 10mm Thick","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eHighly Pure Copper Strip Flat Bar — Precision-Cut Cu Metal Plate for Electrical \u0026amp; DIY Use\u003c\/h2\u003e\n    \u003cp\u003eWhen your project demands reliable conductivity and dimensional accuracy, generic metal stock simply won't cut it. Whether you're a maker building custom busbars, an electrician fabricating grounding straps, or a craftsperson shaping decorative inlays, you need copper that performs consistently across every cut. This highly pure copper strip flat bar is stocked in a 10mm thickness across widths from 20mm to 100mm (approximately 0.39\" to 3.94\"), giving you the flexibility to match the exact cross-section your application requires.\u003c\/p\u003e\n    \u003cp\u003eEach flat bar is produced from high-purity Cu copper, delivering excellent electrical and thermal conductivity. The 10mm thick profile is available in a 200mm (approx. 7.87\") standard length, with width options spanning 10mm × 20mm through 12mm × 100mm cross-sections. The flat, mill-finished surface is ready for cutting, bending, soldering, or further machining without additional preparation.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include copper busbar fabrication for electrical panels and battery interconnects, heat-sink shims and thermal interface strips for electronics cooling, and decorative metalwork such as inlay banding, jewelry blanks, and architectural accent pieces. Long-tail applications like \"10mm thick copper flat bar for busbar\" and \"pure copper strip for grounding strap\" are well served by this versatile stock.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e⚡\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Suitable for electrical grounding, busbar systems, heat-sink fabrication, soldering, brazing, and decorative metalwork. Compatible with standard copper-rated connectors, lugs, and fasteners.\n  \u003c\/div\u003e\n\n  \u003cul class=\"hdiy-list\"\u003e\n    \u003ch2\u003e✅ Key Features of These Copper Strip Flat Bars\u003c\/h2\u003e\n    \u003cli class=\"hdiy-features\"\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n      \u003cdiv\u003e\n        \u003cstrong\u003eHigh-Purity Cu Material\u003c\/strong\u003e\n        \u003cp\u003eManufactured from high-purity copper, ensuring superior electrical conductivity (typically ≥99.9% Cu) and consistent thermal performance across the full bar length.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"hdiy-features\"\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\n      \u003cdiv\u003e\n        \u003cstrong\u003e10mm Thick Profile with Multiple Width Options\u003c\/strong\u003e\n        \u003cp\u003eAvailable in widths from 20mm to 100mm (0.79\"–3.94\"), all at a consistent 10mm thickness, letting you select the exact cross-sectional area for your current-carrying or structural requirement.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"hdiy-features\"\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e\n      \u003cdiv\u003e\n        \u003cstrong\u003eMill-Finished, Machinable Surface\u003c\/strong\u003e\n        \u003cp\u003eThe flat, smooth mill finish is ready for immediate cutting, drilling, bending, or soldering — no surface prep required for most workshop and electrical applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"hdiy-features\"\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🌡️\u003c\/span\u003e\n      \u003cdiv\u003e\n        \u003cstrong\u003eExcellent Thermal Conductivity\u003c\/strong\u003e\n        \u003cp\u003eCopper's inherent thermal properties make these strips ideal for heat-sink shims, thermal interface components, and any application where efficient heat dissipation is critical.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"hdiy-features\"\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n      \u003cdiv\u003e\n        \u003cstrong\u003eNatural Corrosion Resistance\u003c\/strong\u003e\n        \u003cp\u003eCopper develops a stable patina over time that slows further oxidation, making these flat bars suitable for both indoor electrical enclosures and semi-exposed decorative installations.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n    \u003cli class=\"hdiy-features\"\u003e\n      \u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\n      \u003cdiv\u003e\n        \u003cstrong\u003eVersatile for Craft \u0026amp; Industrial Use\u003c\/strong\u003e\n        \u003cp\u003eFrom precision busbar fabrication and grounding straps to jewelry blanks, inlay banding, and architectural metalwork — this copper flat bar adapts to a wide range of maker and industrial applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📐 Technical Specifications — Copper Strip Flat Bar\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHigh-Purity Copper (Cu)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e10mm (0.39\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWidth Range\u003c\/th\u003e\n\u003ctd\u003e20mm – 100mm (0.79\" – 3.94\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStandard Length\u003c\/th\u003e\n\u003ctd\u003e200mm (7.87\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eMill Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTemper \/ Hardness\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eCopper (natural)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right width for my busbar or grounding application?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe width you need depends on the current-carrying capacity required. A wider cross-section (e.g., 10mm × 100mm) handles higher amperage with less resistance and heat buildup, while narrower strips (e.g., 10mm × 20mm) suit lower-current grounding straps or decorative uses. Consult your electrical design specifications or a licensed electrician to confirm the correct cross-sectional area for your load.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this copper strip strong enough to hold its shape after bending?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eHigh-purity copper is naturally ductile, which means it bends without cracking when worked carefully. The 10mm thickness provides good structural rigidity for busbar and bracket applications. For tight-radius bends, use a proper bending brake or vise to avoid stress fractures. Annealing (gentle heating) can further improve formability if needed.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWill this copper strip corrode or tarnish over time?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eCopper naturally oxidizes to form a brownish or greenish patina (verdigris) when exposed to air and moisture. This patina is a stable oxide layer that actually slows further corrosion. For electrical connections, clean contact surfaces before installation and apply an anti-oxidant compound if required by your local electrical code. For decorative use, a clear lacquer coat can preserve the bright copper appearance.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I solder or braze directly to this copper flat bar?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. High-purity copper is one of the most solderable and brazeable metals available. Use a rosin-core or no-clean flux solder for electrical joints, or silver-bearing brazing alloy for higher-temperature structural joints. Lightly sand or clean the surface with isopropyl alcohol before soldering to remove any surface oxidation for the best bond.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat tools do I need to cut this copper strip to a custom length?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA metal-cutting bandsaw, angle grinder with a metal-cutting disc, or a cold saw all work well for cutting 10mm thick copper. Avoid high-speed abrasive cutting without cooling, as copper conducts heat rapidly and can work-harden at the cut edge. A fine-tooth hacksaw is also effective for shorter cuts. Always deburr cut edges with a file or deburring tool before handling.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this the right copper for heat-sink or thermal management applications?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Copper has one of the highest thermal conductivities of any common metal (approximately 385–400 W\/m·K), making these flat bars excellent for heat-sink shims, thermal interface spreaders, and cold-plate components. The flat, consistent geometry simplifies integration into thermal management assemblies. For best thermal contact, lap or polish the mating surface to minimize interface resistance.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I decide between the 10mm and 12mm thickness options?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe 12mm thick variants (available in 40mm and 50mm widths) offer a larger cross-sectional area for the same width, which increases current-carrying capacity and mechanical stiffness. Choose 12mm if your design requires higher ampacity or greater rigidity. The 10mm variants cover a wider range of widths (20mm–100mm) and are more commonly used for standard busbar and decorative applications.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your \u003cstrong\u003eLength and Thick × Width\u003c\/strong\u003e above, then add to cart.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right width for my busbar or grounding application?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The width you need depends on the current-carrying capacity required. A wider cross-section handles higher amperage with less resistance and heat buildup, while narrower strips suit lower-current grounding straps or decorative uses. Consult your electrical design specifications or a licensed electrician to confirm the correct cross-sectional area for your load.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this copper strip strong enough to hold its shape after bending?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"High-purity copper is naturally ductile and bends without cracking when worked carefully. The 10mm thickness provides good structural rigidity. For tight-radius bends, use a proper bending brake or vise. Annealing can further improve formability if needed.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this copper strip corrode or tarnish over time?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Copper naturally oxidizes to form a stable patina that slows further corrosion. For electrical connections, clean contact surfaces before installation and apply an anti-oxidant compound if required. For decorative use, a clear lacquer coat can preserve the bright copper appearance.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I solder or braze directly to this copper flat bar?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. High-purity copper is one of the most solderable and brazeable metals available. Use rosin-core or no-clean flux solder for electrical joints, or silver-bearing brazing alloy for higher-temperature structural joints. Clean the surface before soldering to remove oxidation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What tools do I need to cut this copper strip to a custom length?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A metal-cutting bandsaw, angle grinder with a metal-cutting disc, or a cold saw all work well. A fine-tooth hacksaw is also effective for shorter cuts. Always deburr cut edges with a file or deburring tool before handling.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this the right copper for heat-sink or thermal management applications?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Copper has one of the highest thermal conductivities of any common metal (approximately 385–400 W\/m·K), making these flat bars excellent for heat-sink shims, thermal interface spreaders, and cold-plate components.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I decide between the 10mm and 12mm thickness options?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The 12mm thick variants offer a larger cross-sectional area for higher current-carrying capacity and mechanical stiffness. Choose 12mm if your design requires higher ampacity or greater rigidity. The 10mm variants cover a wider range of widths and are more commonly used for standard busbar and decorative applications.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"200mm \/ 10mm x 20mm","offer_id":52411400061202,"sku":"XYHGLBZSJ010161x1","price":18.21,"currency_code":"USD","in_stock":true},{"title":"200mm \/ 10mm x 30mm","offer_id":52411400093970,"sku":"XYHGLBZSJ010162x1","price":26.91,"currency_code":"USD","in_stock":true},{"title":"200mm \/ 10mm x 40mm","offer_id":52411400126738,"sku":"XYHGLBZSJ010163x1","price":35.62,"currency_code":"USD","in_stock":true},{"title":"200mm \/ 10mm x 50mm","offer_id":52411400159506,"sku":"XYHGLBZSJ010164x1","price":44.4,"currency_code":"USD","in_stock":true},{"title":"200mm \/ 10mm x 60mm","offer_id":52411400192274,"sku":"XYHGLBZSJ010165x1","price":52.89,"currency_code":"USD","in_stock":true},{"title":"200mm \/ 10mm x 80mm","offer_id":52411400225042,"sku":"XYHGLBZSJ010166x1","price":70.3,"currency_code":"USD","in_stock":true},{"title":"200mm \/ 10mm x 100mm","offer_id":52411400257810,"sku":"XYHGLBZSJ010167x1","price":87.65,"currency_code":"USD","in_stock":true},{"title":"200mm \/ 12mm x 40mm","offer_id":52411400290578,"sku":"XYHGLBZSJ010168x1","price":38.61,"currency_code":"USD","in_stock":true},{"title":"200mm \/ 12mm x 50mm","offer_id":52411400323346,"sku":"XYHGLBZSJ010169x1","price":47.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/ef32166f-9994-4736-965f-1e2ac4480435.jpg?v=1782410965","url":"https:\/\/homediyer.com\/products\/highly-pure-copper-strip-flat-bar-cu-metal-plate-sheet-20-100mm-wide-10mm-thick","provider":"HomeDIYer","version":"1.0","type":"link"}