Introduction of Silicon Metal 421
Silicon metal 421 is in endoplasm-arc furnace reducing agent and silica smelting production of industrial grade silicon, the main component of silicon content of approximately 98%, the remaining impurities are iron, aluminum, calcium, etc.
CAS Mumber：7440-21-3
ENECS: 231-130-8
Molecular Formula: Si
Molecular Weight: 28.0855
HS Code: 2804.6900
Appearance
The lump or powder granule, silver grey or dark grey with a metallic luster.
Characteristics for Silicon Metal 421
Silicon metal with a high melting point, good heat resistance, high resistivity, high-temperature melt state of good conductors, strong crisp, highly antioxidant effect.
Application
1. It is widely applied in the development of aluminum alloy catalysts, smelting non-ferrous metal deoxidizers, and special steel.
2. It also can be used as an additive in special steel, also used as the demand of the silicon steel alloy agent, smelting special steel, and non-ferrous alloy deoxidizer.
3. In the chemical industry for the production of dimethyl silicone oil, amino silicone oil, silicone oil containing hydrogen and hydroxyl silicone oil, amino silicone oil emulsifying agent, silicone defoaming agent, etc., the application is very extensive.
Standard
Size:10-100 mm.
Packing: In 1 mt big bag.
