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Characteristic
The industrial silicon powder is also called Silicon Metal Powder. It is silver grey or dark grey powder and appears metallic luster. Its characteristics are high melting point, good heat-resisting, high resistivity and excellent anti-oxidation. It's well known as the industry gourmet powder used as the indispensable basic raw materials of a lot of high-tech products.
Use
The Silicon Metal Powder is widely applied to the refractory material, powder metallurgy industry so as to improve the products heat-resisting performance, wear resistance and oxidation resistance. The products of the refractory material, powder metallurgy industry are used in the steelmaking fumace, kilns, etc.
Specification
The packing and size can be produced according to customer's requirements.
|
Grade |
Size |
Chemical Compositions (%) |
||||
|
Si |
Fe |
Al |
Ca |
|||
|
For chemical use |
3303 |
10–120 |
99.4 |
0.3 |
0.3 |
0.03 |
|
411 |
99.3 |
0.4 |
0.1 |
0.1 |
||
|
421 |
99.1 |
0.4 |
0.2 |
0.1 |
||
|
441 |
99.0 |
0.4 |
0.4 |
0.1 |
||
|
553 |
98.5 |
0.5 |
0.5 |
0.3 |
||
|
For metallurgy use |
421 |
180–325 |
99.0 |
0.4 |
0.2 |
0.1 |
|
441 |
98.8 |
0.4 |
0.4 |
0.1 |
||
|
532 |
98.5 |
0.5 |
0.3 |
0.2 |
||
|
643 |
98.0 |
0.6 |
0.4 |
0.3 |
||
|
876 |
97.0 |
0.8 |
0.7 |
0.6 |
||
