| 牌号 | 杂质不大于(%) | |||||||
| Pb | Bi | Sn | Sb | Cd | Fe | Ni | Al | |
| Mo-1 | - | - | - | - | - | 0.006 | 0.003 | 0.002 |
| Mo-2 | - | - | - | - | - | 0.006 | 0.003 | 0.002 |
| Mo-3 | - | - | - | - | - | 0.010 | 0.005 | 0.005 |
| Mo-4 | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 | 0.050 | 1.0 | 0.005 |
| Si | Ca | Mg | P | C | O | N | ||
| Mo-1 | 0.003 | 0.002 | 0.002 | 0.001 | 0.020 | 0.003 | 0.003 | |
| Mo-2 | 0.003 | 0.002 | 0.002 | 0.001 | 0.010 | 0.003 | 0.003 | |
| Mo-3 | 0.010 | 0.004 | 0.004 | 0.005 | 0.020 | 0.005 | - | |
| Mo-4 | 0.010 | 0.004 | 0.004 | 0.005 | 0.050 | 0.008 | - | |
