Products
Silicon Metal 421
Silicon Metal 421
Chemical Composition
| Element | Specification (%) |
|---|---|
| Silicon (Si) | ≥ 99.3 |
| Iron (Fe) | ≤ 0.40 |
| Aluminum (Al) | ≤ 0.20 |
| Calcium (Ca) | ≤ 0.10 |
The grade designation “421” indicates the maximum impurity levels:
- 4 = Fe ≤ 0.4%
- 2 = Al ≤ 0.2%
- 1 = Ca ≤ 0.1%
Silicon Metal 421 Specification Table
| Grade | Si (%) | Fe (%) | Al (%) | Ca (%) |
|---|---|---|---|---|
| 421 | ≥99.3 | ≤0.40 | ≤0.20 | ≤0.10 |
Typical Applications
- High-quality aluminum alloy production
- Silicone rubber and silicone resin manufacturing
- Chemical industry
- Metallurgical additives
- Electronic-grade silicon raw material processing
