{"product_id":"t2-copper-flat-plate-sheet-99-9-cu-foil-strip-300x300mm","title":"T2 Copper Flat Plate Sheet 99.9% CU Strip Metal Foil Sheet 0.1~0.8mm×300mm×300mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eT2 Pure Copper Flat Plate Sheet — Precision-Cut CU Foil Strip for Electrical, Thermal \u0026amp; Craft Use\u003c\/h2\u003e\n    \u003cp\u003eWhen your project demands reliable conductivity and consistent thickness, standard sheet metal simply falls short. Whether you're a hobbyist building custom electronics, a maker fabricating heat spreaders, or a craftsperson working with decorative metalwork, you need a copper sheet that delivers exact dimensions and verified purity every time. This T2 copper flat plate sheet is engineered for makers, engineers, and DIYers who refuse to compromise on material quality.\u003c\/p\u003e\n    \u003cp\u003eEach sheet is cut from 99.9% pure T2 copper (CU), offering excellent electrical and thermal conductivity. Available in thicknesses from 0.1mm to 0.8mm (~0.004″ to ~0.031″), with a fixed sheet size of 300mm × 300mm (~11.8″ × 11.8″). The flat, smooth surface finish ensures consistent contact and clean cuts with standard metal shears or laser cutters.\u003c\/p\u003e\n    \u003cp\u003eTypical applications include DIY battery tab welding and spot-welding shims, custom RF shielding and EMI gaskets for electronics enclosures, heat spreader fabrication for LED arrays and power modules, and decorative copper inlay work for woodworking and jewelry projects.\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    Compatible with standard metal shears, laser cutters, CNC routers, and hand tools. Suitable for soldering, brazing, and spot-welding applications.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-features\"\u003e\n    \u003ch2\u003e✅ Key Features of These T2 Copper Flat Plate Sheets\u003c\/h2\u003e\n    \u003cul class=\"hdiy-list\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔬\u003c\/span\u003e\n        \u003cstrong\u003e99.9% Pure T2 Copper\u003c\/strong\u003e — High-purity CU composition ensures superior electrical conductivity (typically ≥58 MS\/m) and thermal conductivity (≥390 W\/m·K), making it ideal for precision electrical and thermal management applications.\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\n        \u003cstrong\u003eMulti-Thickness Selection (0.1–0.8mm)\u003c\/strong\u003e — Seven thickness options from 0.1mm to 0.8mm let you match the exact gauge required for your project, from ultra-thin foil for battery tabs to heavier plate for structural shims.\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e\n        \u003cstrong\u003ePrecision 300×300mm Sheet Size\u003c\/strong\u003e — Each sheet is cut to a consistent 300mm × 300mm (~11.8″ × 11.8″) format, minimizing waste and fitting standard CNC work envelopes and laser bed sizes.\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n        \u003cstrong\u003eFlat, Smooth Surface Finish\u003c\/strong\u003e — Mill-finished surface is free of burrs and warping, ensuring reliable contact in electrical assemblies and clean adhesion for laminating or bonding applications.\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n        \u003cstrong\u003eVersatile Workability\u003c\/strong\u003e — Easily cut, bent, drilled, soldered, or brazed with standard workshop tools. Compatible with spot welders for battery tab applications and suitable for chemical etching in PCB prototyping.\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e♻️\u003c\/span\u003e\n        \u003cstrong\u003eCorrosion-Resistant Alloy\u003c\/strong\u003e — T2 copper develops a natural protective patina over time, resisting oxidation in typical indoor environments. Suitable for long-term use in electronics enclosures, decorative panels, and thermal interface applications.\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📐 Technical Specifications — T2 Copper Flat Plate Sheet\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eT2 Pure Copper (CU 99.9%)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThickness Range\u003c\/th\u003e\n\u003ctd\u003e0.1mm \/ 0.2mm \/ 0.3mm \/ 0.4mm \/ 0.5mm \/ 0.6mm \/ 0.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSheet Width\u003c\/th\u003e\n\u003ctd\u003e300mm (~11.8 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSheet Length\u003c\/th\u003e\n\u003ctd\u003e300mm (~11.8 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eMill finish, flat and smooth\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eElectrical Conductivity\u003c\/th\u003e\n\u003ctd\u003e≥58 MS\/m (typical for T2 CU)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThermal Conductivity\u003c\/th\u003e\n\u003ctd\u003e≥390 W\/m·K (typical for T2 CU)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWeight per Sheet\u003c\/th\u003e\n\u003ctd\u003eSee variant options (varies by thickness)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Processes\u003c\/th\u003e\n\u003ctd\u003eShearing, laser cutting, CNC routing, soldering, brazing, spot welding\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 sheet\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 thickness for my project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eFor battery tab welding and spot-welding shims, 0.1mm–0.2mm is typically sufficient. For heat spreaders and thermal interface pads, 0.3mm–0.5mm offers a good balance of conductivity and rigidity. For structural shims, brackets, or decorative panels requiring more stiffness, 0.6mm–0.8mm is recommended. If you're unsure, start with 0.3mm as a versatile mid-range option.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this copper sheet strong enough for structural applications?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eT2 copper is a relatively soft, ductile metal — it is not intended for load-bearing structural applications. However, it provides excellent rigidity for thin shims, gaskets, and enclosure panels. For thicknesses of 0.6mm and above, the sheet holds its shape well under moderate mechanical stress. For high-load structural use, consider a harder copper alloy or brass instead.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWill this copper sheet corrode or tarnish over time?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003ePure copper naturally oxidizes when exposed to air and moisture, developing a brownish or greenish patina (verdigris) over time. This patina is a natural protective layer and does not significantly affect electrical or thermal performance in most applications. For applications requiring a bright finish, apply a clear lacquer or store sheets in a sealed, dry environment when not in use.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I solder or weld this copper sheet?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. T2 copper is highly solderable with standard rosin-core or lead-free solder and flux. It is also compatible with brazing using silver-based filler rods. For spot welding (e.g., battery tab applications), thinner gauges (0.1mm–0.2mm) work best. Note that copper's high thermal conductivity means you may need a higher-wattage soldering iron (60W+) to achieve proper heat transfer.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this sheet compatible with laser cutters and CNC routers?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes, with the right setup. Fiber laser cutters handle copper well due to copper's high reflectivity to CO₂ lasers — a CO₂ laser is not recommended for cutting copper. CNC routers with carbide end mills can machine copper sheet effectively, especially at 0.3mm and above. The 300×300mm sheet size fits most desktop CNC and laser work envelopes. Always use appropriate feeds, speeds, and coolant to prevent work hardening.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between T2 copper and other copper grades?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eT2 copper (also known as C11000 or ETP copper in international standards) is 99.9% pure copper with minimal impurities, making it one of the most electrically and thermally conductive copper grades available. It is softer and more workable than phosphor bronze or brass, and more conductive than copper alloys. T2 is the standard choice for electrical busbars, heat spreaders, and precision foil applications where conductivity is the primary requirement.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow many sheets do I receive per order?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eEach order includes 1 sheet of the selected thickness. The sheet dimensions are 300mm × 300mm. If you need multiple sheets or different thicknesses, simply add multiple items to your cart or contact us for bulk pricing inquiries.\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 Thickness 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 thickness for my project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For battery tab welding and spot-welding shims, 0.1mm–0.2mm is typically sufficient. For heat spreaders and thermal interface pads, 0.3mm–0.5mm offers a good balance of conductivity and rigidity. For structural shims, brackets, or decorative panels requiring more stiffness, 0.6mm–0.8mm is recommended.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this copper sheet strong enough for structural applications?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"T2 copper is a relatively soft, ductile metal not intended for load-bearing structural applications. It provides excellent rigidity for thin shims, gaskets, and enclosure panels. For thicknesses of 0.6mm and above, the sheet holds its shape well under moderate mechanical stress.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this copper sheet corrode or tarnish over time?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Pure copper naturally oxidizes when exposed to air and moisture, developing a brownish or greenish patina over time. This patina is a natural protective layer and does not significantly affect electrical or thermal performance in most applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I solder or weld this copper sheet?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. T2 copper is highly solderable with standard rosin-core or lead-free solder and flux. It is also compatible with brazing using silver-based filler rods. For spot welding, thinner gauges (0.1mm–0.2mm) work best.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this sheet compatible with laser cutters and CNC routers?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, with the right setup. Fiber laser cutters handle copper well. CNC routers with carbide end mills can machine copper sheet effectively. The 300×300mm sheet size fits most desktop CNC and laser work envelopes.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between T2 copper and other copper grades?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"T2 copper (C11000 \/ ETP copper) is 99.9% pure copper, making it one of the most electrically and thermally conductive copper grades available. It is softer and more workable than phosphor bronze or brass, and more conductive than copper alloys.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many sheets do I receive per order?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each order includes 1 sheet of the selected thickness. The sheet dimensions are 300mm × 300mm. If you need multiple sheets or different thicknesses, simply add multiple items to your cart.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"0.1mm \/ 300mm \/ 300mm","offer_id":52409114296594,"sku":"QLMGLBZSJ010085x1","price":5.43,"currency_code":"USD","in_stock":true},{"title":"0.2mm \/ 300mm \/ 300mm","offer_id":52409114329362,"sku":"QLMGLBZSJ010086x1","price":9.32,"currency_code":"USD","in_stock":true},{"title":"0.3mm \/ 300mm \/ 300mm","offer_id":52409114362130,"sku":"QLMGLBZSJ010087x1","price":13.18,"currency_code":"USD","in_stock":true},{"title":"0.4mm \/ 300mm \/ 300mm","offer_id":52409114394898,"sku":"QLMGLBZSJ010088x1","price":17.39,"currency_code":"USD","in_stock":true},{"title":"0.5mm \/ 300mm \/ 300mm","offer_id":52409114427666,"sku":"QLMGLBZSJ010089x1","price":22.37,"currency_code":"USD","in_stock":true},{"title":"0.6mm \/ 300mm \/ 300mm","offer_id":52409114460434,"sku":"QLMGLBZSJ010090x1","price":26.23,"currency_code":"USD","in_stock":true},{"title":"0.8mm \/ 300mm \/ 300mm","offer_id":52409114493202,"sku":"QLMGLBZSJ010091x1","price":34.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture5of6_31534dfe-ff92-4da5-8da9-4a5d8344cfcd.jpg?v=1782314420","url":"https:\/\/homediyer.com\/products\/t2-copper-flat-plate-sheet-99-9-cu-foil-strip-300x300mm","provider":"HomeDIYer","version":"1.0","type":"link"}