... .) 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 the ... oxidation, excluding the hair silk, the Copper Wire 1.6 mm diameter should not be ... luster, no coating, wuxi, without the pure copper alloy wire and cable, excluding wool yarn and burnt ...