... used 4.Bare bright DetailsCopper wires scrap #1 Specification:Cu%: 96-99%Element...0.005... (%)Copper..99.9... % (Min.) Lead...0 ... .. % (Max.)Total impurities...0.3.. % (Max.)No. 1 cooper Copper Wire level 1: including without bare, No coating, without the ... luster, no coating, wuxi, without the pure copper alloy wire and cable, excluding wool yarn and burnt the fragile copper wire. berry scrap copper