Silicon
Industrial Silicon Metal Supply for Global Manufacturing
Certified silicon metal grades sourced from leading producers for aluminum alloys, chemical synthesis, semiconductor, and solar applications.
Silicon Metal
SL Metals Corporation trades industrial-grade silicon metal sourced from leading producers in China. We supply consistently graded, well-documented silicon metal for use in aluminum alloy production, chemical synthesis, and — in higher-purity grades — semiconductor and solar applications.
Our network allows flexible quantities from 20 MT to multi-thousand-tonne annual contracts. All material is shipped directly only from highly reputable and quality-proven producers. SGS or equivalent third-party analysis is available upon request.
Grades Available
| Grade | Si Purity (Min.) | Fe / Al / Ca Limits | Primary Use |
|---|---|---|---|
| 553 | 98.5% | 0.5 / 0.5 / 0.3 | Aluminum alloys (standard grade) |
| 441 | 99.0% | 0.4 / 0.4 / 0.1 | Aluminum alloys, chemical industry, silicones |
| 3302 | 99.0% | 0.3 / 0.3 / 0.02 | High-purity chemical synthesis |
| 2202 | 99.5%+ | 0.2 / 0.2 / 0.02 | Semiconductor / solar (polysilicon feed) |
| Other grades | On request | Per specification | Custom purity available |
Delivery Forms
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Lumps: 10–100 mm standard sizing for the aluminum industry
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Granules and powder available upon request
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Packaging: 1 MT jumbo bags
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Shipment Options: FCL 20' or 40' containers available upon request
