Silicon Metal (siblings)
Silicon Metal Grade 441
Silicon metal grade 441 — Si ≥99.0%, Fe ≤0.4%, Al ≤0.4%, Ca ≤0.1%. Higher purity than 553, preferred for premium aluminum alloys and silicone monomer production where lower iron and calcium content improve downstream chemistry.
Specifications
| Si Content | ≥ 99.0% |
| Fe Content | ≤ 0.4% |
| Al Content | ≤ 0.4% |
| Ca Content | ≤ 0.1% |
| Particle Size | 10-100 mm typical |
Applications
- Premium aluminum alloy (aerospace, automotive)
- Silicone monomer (DCS production)
- Specialty silicon-aluminum alloys
- Polysilicon precursor (along with 553)
Key Features
- Higher purity than 553 (lower Ca)
- Premium aluminum alloy preferred grade
- Silicone DCS production preferred
- 10-15% price premium over 553 typical
Send Inquiry
Grade
441
Standard
GB/T 2881
Si Content
≥ 99.0%
Sample
Within 5 business days
Availability
In Stock