... .) Lead...0.005... Cu%: 99.9%Element...0.005... (%)Copper..99.9... % (Min.) Lead...0.005.... % (Max.) ... .)Total impurities...0.3.. % (Max.)No. 1 cooper Copper Wire level 1: including without bare, No coating, without ... oxidation, excluding the hair silk, the Copper Wire 1.6 mm diameter should not be ... without luster, no coating, wuxi, without the pure copper alloy wire and cable, excluding wool yarn and ...