Scrap copper wire, bright copper wire, content, 99, 99%,Wire diameter: 0.20mm, 0.25mm, 0.30mm Weight: 3kg, 5kg, 7kg, 15kg, 20kg. widely used as a coating material in High-precision electronic products, and other requirements of precision welding products, welding products, general electronics, food industry packaging, automotive and electrical industry, and high temperature resistant products.