... . 1 Copper Wire grade 1: including * * * dew, No coating, No alloy of pure Copper Wire, the surface without oxidation, do not ... .20, 0.25, 0.30mm, used for wire cutting machines high quality competitive price.Scrap Aluminum Purity:99%, 97%, 95%-96%..Technical ... diameter: 0.30mm, 0.25mm, 0.20mmWeight/spool: 3 kg, 5 kg, 7 kg, 15 kg, 20kgTensile strength: 1000 N/mm2 ...