Silicon carbide is an inorganic substance with the chemical formula SiC. It is smelted at high temperature in a resistance furnace from raw materials such as quartz sand, petroleum coke (or coal
coke), and wood chips (salt is required to produce green silicon carbide). Silicon carbide also exists in nature as a rare mineral, moissanite.
Silicon carbide industrially produced in China is divided into black silicon carbide and green silicon carbide, both of which are hexagonal crystals with a specific gravity of 3.20-3.25 and a
microhardness of 2840-3320kg/mm2.
ADVANTAGE
Use of Silicon Carbide
1. As an abrasives material, it can be used to make abrasives, such as grinding wheels, oil stones, grinding heads, sand tiles, etc.
2. As metallurgical deoxidizer and high temperature resistant material.
3. High-purity single crystals can be used to manufacture semiconductors and silicon carbide fibers.
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