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SILICON METAL 553
SILICON METAL 553
Chemical Composition
| Element | Specification (%) |
|---|---|
| Silicon (Si) | ≥ 98.50 |
| Iron (Fe) | ≤ 0.50 |
| Aluminum (Al) | ≤ 0.50 |
| Calcium (Ca) | ≤ 0.30 |
The grade designation “553” refers to the maximum impurity levels:
- 5 = Fe ≤ 0.5%
- 5 = Al ≤ 0.5%
- 3 = Ca ≤ 0.3%
Silicon Metal 553 is widely used in:
- Aluminum alloy manufacturing
- Aluminum ingots
- Silicone chemicals
- Metallurgical applications
- Solar and semiconductor raw materials (after further processing)
