 
                                In metallurgy and foundry industry, industrial silica powder is used as non-iron-based alloy additives and silicon steel alloying agent to improve hardenability.The industrial silicon powder can al...
DESCRIPTION
In metallurgy and foundry industry, industrial silica powder is used as non-iron-based alloy additives and silicon steel alloying agent to improve hardenability.The industrial silicon powder can also be used as the reducing agent of some metal and in new-type ceramic alloy.etc.
| Silicon Metal Powder | |||||||
| Grade | 553 | 441 | 421 | 3303 | 2503 | 2202 | |
| Specification | Si≥ | 98.50% | 99% | 99% | 99% | 99% | 99% | 
| Fe≤ | 0.50% | 0.40% | 0.40% | 0.30% | 0.20% | 0.20% | |
| Al≤ | 0.50% | 0.40% | 0.20% | 0.30% | 0.50% | 0.20% | |
| Ca≤ | 0.30% | 0.10% | 0.10% | 0.03% | 0.03% | 0.02% | |
| Size | 45-325mesh, -200mesh, -325mesh or as per your order | ||||||
| Packing |  25kg/bag or 1000kg/bag | ||||||
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