... ingot 3.Promptly shipment+Best service 4.Usage:casting 5.99.95 Copper Color: Golden yellow. Package: 20kg/ an ingot, in ... valve, water meter, and shipping. Grade: 4N Grade, 99.99% minimum purity 5N Grade, 99.999% minimum purity Form: Cast Ingots Ø 100mm~Ø ... 6N * ≤ 100ppm ≤ 10ppm ≤ 1ppm GDMS High Purity Copper Ingot Grade: 4N Grade, 99.99% minimum purity 5N Grade, 99.999% minimum purity Form: Cast ...