Copper powder
Copper powder is a rose red metal, which is purple after forming copper oxide film on the surface. Copper powder has good conductivity, high copper content, adjustable bulk ratio, fine powder, good diffusibility, good formability, low oxygen content, and compact structure after molding. It is widely used in the manufacture of wires, cables, brushes, etc.; it has good thermal conductivity, and is often used to manufacture magnetic instruments and meters, such as compass, aviation instruments, etc., which need to prevent magnetic interference; it has excellent plasticity and is easy to be processed by hot pressing and cold pressing, and can be made into copper materials such as tubes, rods, wires, strips, plates, foils, etc. Widely used in diamond tools, high specific gravity copper tungsten alloy, large contact, copper chromium alloy, superhard materials, electric carbon products, friction materials, conductive ink and other powder metallurgy products.