... Wire grade 1: including * * * dew, No coating, No alloy of pure Copper Wire, the surface without oxidation, do not contain the ... : including clean, no luster, no coating, wuxi, no alloy of pure copper wire and copper cable, do not contain the wool ... .20, 0.25, 0.30mm, used for wire cutting machines high quality competitive price.Scrap Aluminum Purity:99%, 97%, 95%-96%..Technical ...