2020色资源站_无码专区 一区二区_午夜视频精品视在线播放_日韩美女黄大片在线观看-免费g片在线观看网站_av黄片在线播放麻豆_无码一区二区久久_中文字幕欧美人妻精品二区

News

News

Location: Home > News > News

What is pure copper?

Time:2016-06-02 18:49:47 Source:江西保太集團(tuán)-江西保太有色金屬集團(tuán)有限公司 View Rate:9355

Summary:
Pure copper is rose red metal, which is purple after the surface forms a copper oxide film. Therefore, industrial pure copper is often called copper or electrolytic copper. The density is 8-9 g/cm3 and the melting point is 1083 °C. Pure copper has good conductivity and is widely used in the manufacture of wires, cables, brushes, etc.; it has good thermal conductivity and is commonly used to manufacture magnetic instruments and instruments that require anti-magnetic interference, such as compasses, aviation instruments, etc.; plasticity is excellent, easy to heat Pressure and cold pressure processing, can be made into tubes, rods, wires, strips, strips, plates, foils and other copper. Pure copper products are available in both smelted and processed products.