Key Specifications of silicon metal
Si Content: ≥98.5%
Impurities:
Iron (Fe): ≤0.5%
Aluminum (Al): ≤0.5%
Calcium (Ca): ≤0.3%
Appearance: Silver-gray crystalline lumps (standard sizes: 10–100mm or customized)
Packaging: 1-ton jumbo bags, 25kg bags, or bulk.
Applications of silicon metal
Aluminum Alloys – Enhances strength and fluidity in cast aluminum (e.g., automotive parts).
Chemical Industry – Raw material for silicones, resins, and silanes.
Solar & Electronics – Upgraded for polysilicon in PV panels (after further refinement).
Refractories – Improves heat resistance in high-temperature materials.
Advantages of silicon metal
Cost-Effective: Ideal for applications where ultra-high purity (e.g., Si 441) is unnecessary.
Consistent Quality: Strict control of impurities ensures stable performance in alloys.
Wide Compatibility: Suitable for both metallurgical and chemical processes.
Market & Supply
Major Producers: China, Brazil, Norway, and the U.S.
Pricing Factors: Energy costs, quartzite supply, and downstream demand (e.g., aluminum market trends).
Optional Add-Ons (for Commercial Use)
Customization: Adjustable sizes (powder, granules) for specific needs.
Certifications: ISO, RoHS, or mill test reports available.
Logistics: FOB/CIF terms, bulk vessel or container shipments.
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