copper wire scrap99.99%/copper millberry99.96% high purity copper wire scrap 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 ...