Products Description
Silicon metal is a refined metallurgical product obtained by smelting high-quality quartz in an electric arc furnace with carbonaceous materials such as coal, wood chips, or coke. It is characterized by a bright silver-gray metallic luster, high silicon content, and low levels of impurities such as iron, aluminum, and calcium. Silicon metal is widely used in aluminum alloy manufacturing, silicone compound production, photovoltaic solar cells, and high-end chemical industries.
Specification
| Grade | Si (%) | Fe (%) | Al (%) | Ca (%) |
|---|---|---|---|---|
| 553 | ≥98.5 | ≤0.50 | ≤0.50 | ≤0.30 |
| 441 | ≥99.0 | ≤0.40 | ≤0.40 | ≤0.10 |
| 3303 | ≥99.3 | ≤0.30 | ≤0.30 | ≤0.03 |
| 2202 | ≥99.5 | ≤0.20 | ≤0.20 | ≤0.02 |
| 1101 | ≥99.6 | ≤0.10 | ≤0.10 | ≤0.01 |
Sizes: 10–100mm lumps, granules, or powders
Packaging: 1MT jumbo bags, 25kg bags, or customized per request
Is Silicon Metal Suitable for Chemical-Grade Applications?
Yes. High-purity silicon metal grades such as 3303, 2202, and 1101 are ideal for chemical-grade applications. These grades are used as feedstock for producing silicones, silanes, and other silicon-based chemicals. Their low levels of Fe, Al, and Ca ensure stability and high performance in chemical reactions, meeting stringent quality requirements in the silicone and pharmaceutical industries.
How Does Your Factory Control Silicon Metal Purity?
Our factory ensures product purity through:
Premium Raw Material Selection: Only high-grade quartz and low-ash carbon materials are used.
Precision Smelting Process: Advanced electric arc furnaces maintain stable temperature control.
Strict Refining Stage: Impurities are reduced through ladle refining and slag removal.
On-Site Laboratory Testing: Each batch is analyzed for chemical composition before shipment.
Third-Party Inspection: SGS, BV, and other agencies verify purity upon request.
What Factors Affect the Price of Silicon Metal?
Several market and production factors influence pricing:
Raw Material Costs: High-quality quartz and carbon materials impact production cost.
Energy Prices: Electric arc furnace operations are highly energy-intensive.
Global Demand: Demand from aluminum, solar, and chemical industries drives price trends.
Export Policies: Tariffs, quotas, and trade regulations can affect costs.
Currency Exchange Rates: Fluctuations in USD, RMB, or other trading currencies impact pricing.
Seasonal Supply: Production and transport may vary with weather and market cycles.
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