Product Description Useage:electrial,light industry,machinery,building industry,national defense industry. Wire diameter:0.2mm,0.25mm,0.3mm. Weight/spool: 3 kg, 5 kg, 7 kg, 15 kg, 20kg Tensile strength: 1000 N/mm2, 900 N/mm2, 500 N/mm2, 450 N/mm2, N/mm2 Copper wire scrap is very important for industry source,99.99% purity. We have on-site tipping facilities for ferrous and non-ferrous materials, and also have a commercial skip service. We welcome customers from all sections of the community, including all kind of metal scrap,plastic scrap and also on waste papers.