Specification:
Copper: 99.9% (Min.)
Lead: 0.005% (Max.)
Bismuth: 0.5% (Max.)
Element: 0.005(%
Total impurities: 0.3% (Max.)
No. 1 cooper Copper Wire level 1: including without bare, No coating, without the pure Copper alloys, surface non oxidation, excluding the hair silk, the Copper Wire 1.6 mm diameter should not be less than.