Silicon Metal | Product | Chemical Composition (%) | |||
| Grade | Si | Fe | Al | Ca | |
| ≥ | ≤ | ||||
| Si-2202 | 99.5 | 0.2 | 0.2 | 0.02 | |
| Si-3303 | 99.3 | 0.3 | 0.3 | 0.03 | |
| Si-411 | 99.3 | 0.4 | 0.1 | 0.1 | |
| Si-421 | 99.2 | 0.4 | 0.2 | 0.1 | |
| Si-441 | 99.0 | 0.4 | 0.4 | 0.1 | |
| Si-553 | 98.5 | 0.5 | 0.5 | 0.3 | |
| Special For Smelting Aluminium | 98.5 | 0.55 | 0.6 | 0.35 | |
| 97 | 1.3 | 1 | 0.3 | ||