English 
Spanish 
Russian 
Indonesian 
Arabic Silicon powder is silver or dark powder with metallic luster.With the characteristic of high melting point, good heat resistance, high resistivity and high antioxidant effect. It is the basic raw material to refractiry industry,such as refractory castables and stopper rod. Silicon metal is made by smelting silica and carbonaceous reducing agent in the ore furnace. The main component of silicon metal is silicon element, whose content is about 98%, and the other impurities are iron, aluminum, calcium, etc.
|
Grade
|
Composition
|
||||
|
Si Content
|
lmpurities( %)
|
||||
|
Fe
|
Al
|
Ca
|
P
|
||
|
1501
|
99.69
|
0.15
|
0.15
|
0.01
|
≤0.004%
|
|
1502
|
99.68
|
0.15
|
0.15
|
0.02
|
≤0.004%
|
|
1101
|
99.79
|
0.1
|
0.1
|
0.01
|
≤0.004%
|
|
2202
|
99.58
|
0.2
|
0.2
|
0.02
|
≤0.004%
|
|
2502
|
99.48
|
0.25
|
0.25
|
0.02
|
≤0.004%
|
|
3303
|
99.37
|
0.3
|
0.3
|
0.03
|
≤0.005%
|
|
411
|
99.4
|
0.4
|
0.1
|
0.1
|
≤0.005%
|
|
421
|
99.3
|
0.4
|
0.2
|
0.1
|
|
|
441
|
99.1
|
0.4
|
0.4
|
0.1
|
|
|
551
|
98.9
|
0.5
|
0.5
|
0.1
|
|
|
553
|
98.7
|
0.5
|
0.5
|
0.3
|
|
