Silicon Carbide for Abrasive
Because of its high hardness, chemical stability and certain toughness, silicon carbide abrasive is a very versatile abrasive, mainly used for making grinding wheels, sandpaper, abrasive belts, oil stones, grinding blocks, grinding heads, abrasive pastes and grinding and polishing of single crystal silicon, polysilicon and piezoelectric crystals in photovoltaic products and the electronics industry.
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Advantages and Disadvantages of Silicon Carbide Abrasives
- Exceptional hardness and wear resistance
- High thermal conductivity
- Chemical inertness
- Low cost (in the case of black silicon carbide)
- High cost (in the case of green silicon carbide)
- Brittleness, which can lead to cracking and chipping
- Limited availability in certain sizes and shapes
Applications of Silicon Carbide Abrasives
Types of Silicon Carbide Abrasives
Black Silicon Carbide
Black silicon carbide is a widely used abrasive product, with excellent wear resistance, high hardness, high density, low impurities and other advantages, commonly used in sandblasting grinding, polishing, free grinding, making various abrasives, etc.
Green Silicon Carbide
Green silicon carbide is made from quartz sand and petroleum coke refined in a resistance furnace, due to its relatively stable chemical properties, high thermal conductivity, low coefficient of thermal expansion, and good wear resistance.