... .) 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 ... , no coating, wuxi, without the pure copper alloy wire and cable, excluding wool yarn and burnt the fragile ...