Extended data:
1, the use of waste copper is very extensive, and the recovery of waste copper is also a very important work. It will be a huge waste if the copper equipment of various settings is not recycled.
2. Except copper concentrate, copper scrap is one of the main raw materials for copper smelting, including old copper scrap and new copper scrap. Old copper scrap comes from old equipment and old machines.
3. Waste copper is divided into: bare copper: the grade is above 90%; Scrap copper (wires): copper-containing materials (old motors, circuit boards); Copper produced from waste copper and other similar materials is also called recycled copper.
4. There is no standard for scrap copper in China, but with the acceleration of industrialization in China, the social and economic environment faced by the recycling, trading and recycling industries of scrap nonferrous metals has changed greatly.