2019-8-29 · QZ-GCB300 Waste Circuit Board Recovery Line is suitable for small-scale production. It uses one-stage hammering crushing, air separation for the first time, . (Millberry Copper) 99% High Purity Wire diameter: 0.30mm, 0.25mm, 0.20mm 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 .