Table 24. Some Typical Scrap Types Used for Recovering Copper.

Type of secondary material resource	Copper content (wt %)	Origin of copper scrap
Computer scrap	15–20	Electronic devices, consumer electronics
Ferrous copper material (lumpy or crushed) from fittings, stators and rotors	10–20	Electrical devices, vehicle amatures, electrical vehicle components
Industry slags from copper and brass production	10–40	Slags, dusts, drosses and sludges from foundries
Copper coolers	60–65	Vehicles
Industry copper scrap	<80%	Copper industry and downstream sheet and cable manufacturing