 
                                Metal silicon is a kind of industrial pure silicon, which is mainly used in the production of organic silicon, the preparation of high-purity semiconductor materials and the preparation of alloys f...
DESCRIPTION
Metal silicon is a kind of industrial pure silicon, which is mainly used in the production of organic silicon, the preparation of high-purity semiconductor materials and the preparation of alloys for special purposes.
| silicon metal | ||||
| Grade/spec | Si | Fe | Al | Ca | 
| ≥ | ≤ | |||
| 553 | 98.5% | 0.5% | 0.5% | 0.3% | 
| 441 | 99% | 0.4% | 0.4% | 0.1% | 
| 421 | 99.2% | 0.4% | 0.2% | 0.1% | 
| 411 | 99.3% | 0.4% | 0.1% | 0.1% | 
| 3303 | 99.3% | 0.3% | 0.3% | 0.03% | 
| 2202 | 99.5% | 0.2% | 0.2% | 0.02% | 
| 1101 | 99.7% | 0.1% | 0.1% | 0.01% | 
| 2502 | 99.4% | 0.25% | 0.25% | 0.02% | 
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