Product Description Useage:Electrial,light industry,machinery,building industry,national defense industry. 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 very important for industry source,99.99% purity.