1.electrical cable wires 2.Cu up to 99.9% 97% 95%-96% 3.competitive price 4.high quality and ... : 3 kg, 5 kg, 7 kg, 15 kg, 20kgTensile strength: 1000 N/mm2, 900 N/mm2, 500 N/mm2, 450 N ... purity of 99.78% min. 99.78%Max. COPPER: 99, 9% CARBON: 0.03% COBLET: <0, 001 IRON: 0, 005% PHOSPHORUS ... , (Millberry) 99.78%pictures: High purity Copper Scrap Manufacturer 99.9%