Active Member
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[China]
Address: 139-141 Wai Yip Street, Kwun Tong Kowloon, Hongkong, China.
Contact name:Bruce Chen
Rare Mine Chemical Resources Limited |
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Chemical Composition of Silicon Metal
Grade | Chemicals Composition(%) | |||
Si% | Fe% | Al% | Ca% | |
≥ | ≤ | |||
3303# | 99 | 0.30 | 0.30 | 0.03 |
2202# | 99 | 0.20 | 0.20 | 0.02 |
553# | 98.5 | 0.50 | 0.50 | 0.30 |
441# | 99 | 0.40 | 0.40 | 0.10 |
4502# | 99 | 0.40 | 0.50 | 0.02 |
| 421# | 99 | 0.40 | 0.20 | 0.10 |
| 411# | 99 | 0.40 | 0.10 | 0.10 |
| 1101# | 99 | 0.10 | 0.10 | 0.01 |
Silicon Metal Production
1. Silicon slag (off grade silicon) is a by-product when making silicon metal.
2. The silicon content is from 45% to95%, and the rest are C, S, P, Al, SiO2, Fe, Ca etc.
3. The silicon slag is much cheaper than purity silicon metal, and has many industrial applications.
