copper scrapt 1 Copper Wire No. 1 Copper Wire grade 1: including * * * dew, No coating, No alloy of pure Copper Wire, the surface without oxidation, do not contain the hair silk, Copper Wire diameter not less than 1.6 mm. Level 2: including clean, no luster, no coating, wuxi, no alloy of pure copper wire and copper cable, do not contain the wool yarn and burnt fragile copper wire
