Cu%: 99.9% Element...0.005... (%) Copper..99.9... % (Min.) Lead...0.005... Cu%: 99.9%Element...0.005... (%)Copper..99.9... % (Min.) Lead...0.005.... % (Max.)Bismuth...0.5 ... 1: including without bare, No coating, without the pure Copper alloys, surface non oxidation, excluding the hair silk ... clean, without luster, no coating, wuxi, without the pure copper alloy wire and cable, excluding wool yarn and ...