Silicon Metal Grade | chemical composition | ||||||||
Si (%) | Impurities(%) ≤ | ||||||||
Fe | AI | Ca | P | ||||||
1501 | 99.69 | 0.15 | 0.15 | 0.01 | 0.004 | ||||
1502 | 99.68 | 0.15 | 0.15 | 0.02 | 0.004 | ||||
1101 | 99.79 | 0.1 | 0.1 | 0.01 | 0.004 | ||||
2202 | 99.58 | 0.2 | 0.2 | 0.02 | 0.004 | ||||
2502 | 99.48 | 0.25 | 0.25 | 0.02 | 0.004 | ||||
3303 | 99.37 | 0.3 | 0.3 | 0.03 | 0.004 | ||||
411 | 99.4 | 0.4 | 0.1 | 0.1 | 0.004 | ||||
421 | 99.3 | 0.4 | 0.2 | 0.1 | 0.004 | ||||
441 | 99.1 | 0.4 | 0.4 | 0.1 | 0.004 | ||||
551 | 98.9 | 0.5 | 0.5 | 0.1 | 0.004 | ||||
553 | 98.7 | 0.5 | 0.5 | 0.3 | 0.004 |