 
								
| No. | Item | Standard Specification | ||
| 1 | Copper ≥ | 5N | 6N | |
| 99.999% | 99.9999% | |||
| 2 | Impurity PPMwt Max Each | Ag | 1.0 | - | 
| Bi | 0.5 | 0.10 | ||
| Fe | 1.0 | 0.10 | ||
| Mg/Mn/Pb/Se | 0.5 | 0.05 | ||
| Ni | 1.0 | 0.05 | ||
| Sb | 0.5 | 0.10 | ||
| Co/Zn | 1.0 | 0.10 | ||
| Si | 1.0 | - | ||
| Total | 10ppm | 1ppm | ||
| 3 | Size | 80x40x4mm Bar or small round nugget/cylinder | ||
| 4 | Packing | 1kg in plastic bag, carton box outside | ||