... , No alloy of pure Copper Wire, the surface without oxidation, do not contain the hair silk, Copper Wire diameter not less ... , wuxi, no alloy of pure copper wire and copper cable, do not contain the wool yarn and burnt fragile copper wire ... .20, 0.25, 0.30mm, used for wire cutting machines high quality competitive price.Scrap Aluminum Purity:99%, 97%, 95%-96%..Technical ...