 
                                silicon metal is also called industrial silicon or crystalline silicon. It is silver-gray with a metallic sheen, and when processed into a powder, the color is dark gray. It has a high melting poin...
DESCRIPTION
silicon metal is also called industrial silicon or crystalline silicon. It is silver-gray with a metallic sheen, and when processed into a powder, the color is dark gray. It has a high melting point, good heat resistance and high resistivity. It is commonly used in the electronics, metallurgy and chemical industries. It is an indispensable raw material for the high-tech industry.
| Chemical Composition(%) | ||||
| Grade/spec | Si | Fe | Al | Ca | 
| 553 | 98.5%min | 0.5%max | 0.5%max | 0.3%max | 
| 441 | 99.0%min | 0.4%max | 0.4%max | 0.1%max | 
| 3303 | 99.0%min | 0.3%max | 0.3%max | 0.03%max | 
| 2202 | 99.0%min | 0.2%max | 0.2%max | 0.02%max | 
| 1101 | 99.0%min | 0.1%max | 0.1%max | 0.01% | 
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