 
                                Silicon is widely used in smelting into ferrosilicon alloy as an alloying element in the iron and steel industry, and as a reducing agent in the smelting of many kinds of metals. Silicon is also a ...
DESCRIPTION
Silicon is widely used in smelting into ferrosilicon alloy as an alloying element in the iron and steel industry, and as a reducing agent in the smelting of many kinds of metals. Silicon is also a good component in aluminum alloys, and most cast aluminum alloys contain silicon. Silicon is the raw material of ultra-pure silicon in the electronics industry. Electronic devices made of ultra-pure semiconductor single crystal silicon have the advantages of small size, light weight, good reliability and long life.
| Grade | Chemicals  Composition(%) | |||
| Si% | Fe% | Al% | Ca% | |
| ≥ | ≤ | |||
| 3303# | 99 | 0.30 | 0.30 | 0.03 | 
| 2202# | 99 | 0.20 | 0.20 | 0.02 | 
| 553# | 98.5 | 0.50 | 0.50 | 0.30 | 
| 441# | 99 | 0.40 | 0.40 | 0.10 | 
| 4502# | 99 | 0.40 | 0.50 | 0.02 | 
| 421# | 99 | 0.40 | 0.20 | 0.10 | 
| 411# | 99 | 0.40 | 0.10 | 0.10 | 
| 1101# | 99 | 0.10 | 0.10 | 0.01 | 
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