Premium Metallurgical Grade Silicon for Advanced Manufacturing
Supplying high-capacity, top-tier silicon materials globally for the renewable energy, alloy, and chemical industries.
Established as a premier global supplier with decades of industrial expertise, we are a leading producer of Metallurgical Grade (MG) Silicon and Silicone materials. With an annual production capacity reaching 1.2 million metric tons—and actual outputs consistently exceeding 1.5 million metric tons—we guarantee a stable, high-volume supply chain for large-scale manufacturing demands worldwide.
Solar Module Applications
Metallurgical Grade Silicon used for Making Polysilicon which is used for making Silicon Ingots.
Our premium Silicon Metal is a critical raw material in the renewable energy sector. It serves as the foundational element in the production of poly-silicon, which is subsequently processed into high-efficiency silicon ingots for solar panels and advanced semiconductor materials.
The exceptional purity and consistency of our silicon ensures optimal performance in solar cell manufacturing, directly contributing to higher energy conversion efficiency and improved panel longevity.
Product Specifications & Technical Index
General Information
Recommended Grades: Our main Silicon Metal grades include 3303, 421, 441, and 553. For specialized manufacturing requirements demanding a 2000 ppm to 5000 ppm Fe range, we highly recommend our 3303, 421, and 441 grades for optimal performance.
Chemical Composition by Grade
| Grade | Silicon (Si) % ≥ | Iron (Fe) % ≤ | Aluminum (Al) % ≤ | Calcium (Ca) % ≤ |
|---|---|---|---|---|
| 3303 | 99.00 | 0.30 | 0.30 | 0.03 |
| 411 | 99.00 | 0.40 | 0.10 | 0.10 |
| 421 | 99.00 | 0.40 | 0.20 | 0.10 |
| 441 | 99.00 | 0.40 | 0.40 | 0.10 |
| 521 | 98.50 | 0.50 | 0.20 | 0.10 |
| 553 | 98.50 | 0.50 | 0.50 | 0.30 |
Note: Grade and particle size can be customized according to specific requirements.
Properties, Uses & Handling
Primary Uses
- Organic silicon production
- Silica gel manufacturing
- Poly-silicon development
- High purity semiconductors
- Special alloy creation
- Advanced surface coatings
Packaging
- Efficient industrial transport packaging
- Woven bags for durability
- Net weight: 1000 kg per bag
- Stackable for efficient logistics
- Suitable for bulk handling
- Custom packaging available
Storage Requirements
- Dry, well-ventilated environment
- Strictly prevent water exposure
- Avoid excessive heat
- Keep away from fire sources
- Climate-controlled facilities recommended
- Regular facility inspections
Handling & Transit
- Follow hazardous substance protocols
- Prevent direct sunlight exposure
- Protect from rainfall during transit
- Use covered transport vehicles
- Trained personnel only
- Proper documentation required