Grade | Composition | |||
Impurities(%) | ||||
Si | Fe | AI | Ca | |
≥ | ≤ | |||
1101 | 99.79 | 0.1 | 0.1 | 0.01 |
1501 | 99.69 | 0.15 | 0.15 | 0.01 |
2202 | 99.58 | 0.2 | 0.2 | 0.02 |
2502 | 99.48 | 0.25 | 0.25 | 0.02 |
3303 | 99.37 | 0.3 | 0.3 | 0.03 |
411 | 99.4 | 0.4 | 0.1 | 0.1 |
421 | 99.3 | 0.4 | 0.2 | 0.1 |
441 | 99.1 | 0.4 | 0.4 | 0.1 |
553 | 98.7 | 0.5 | 0.5 | 0.3 |
98 | 98 | 1 | 0.5 | 0.5 |
97 | 97 | 1.7 | 0.7 | 0.6 |
Silicon metal powder | ||||||
Chemical industry | Composition% | Specification | ||||
Si | Fe | Al | Ca | Size in mesh | Size in um | |
≥ | ≤ | |||||
99.6 | 0.2 | 0.15 | 0.05 | 30-120mesh | 590um-124um | |
99.2 | 0.4 | 0.2 | 0.1 | 40-140mesh | 590um-124um | |
99 | 0.4 | 0.4 | 0.2 | 40-160mesh | 420um-92um | |
98.5 | 0.5 | 0.5 | 0.3 | 40-120mesh | 420um-124um | |
98 | 0.6 | 0.5 | 0.3 | 40-425mesh | 420um-36um | |
Metallurgical | 99.6 | 0.2 | 0.15 | 0.05 | -150mesh | 100um |
99.2 | 0.4 | 0.2 | 0.1 | -200mesh | 74um | |
99 | 0.4 | 0.4 | 0.2 | -325mesh | 44um | |
98.5 | 0.5 | 0.5 | 0.3 | -400mesh | 38um | |
98 | 0.6 | 0.5 | 0.3 | -600mesh | 25um | |
Low grade silicon | 95-97 | impurity content≤4.0% | 40-140mesh | 420um-104um | ||
90-95 | -200mesh | 74um |