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High Purity Silicon Carbide (SiC)-Powder

  • 409-21-2
  • SiC
  • 140603PD
  • 99.5%-99.9%
  • 1-15μm
  • 206-991-8

Silicon Carbide (SiC) is a lightweight ceramic material with high strength properties comparable to diamond.  It has excellent thermal conductivity, low thermal expansion, and is resistant to corrosion from acids.  Silicon carbide is an excellent ceramic material for applications requiring good erosion, high temperature resisitance and abrasive resistance.  Consequently, it is useful in a variety of applications including spray nozzles, shot blast nozzles and cyclone components.


Synthetic SiC powder has been mass-produced since 1893 for use as an abrasive. Grains of silicon carbide can be bonded together by sintering to form very hard ceramics that are widely used in applications requiring high endurance, such as car brakes, car clutches and ceramic plates in bulletproof vests. Electronic applications of silicon carbide such as light-emitting diodes (LEDs) and detectors in early radios were first demonstrated around 1907. SiC is used in semiconductor electronics devices that operate at high temperatures or high voltages, or both. Large single crystals of silicon carbide can be grown by the Lely method and they can be cut into gems known as synthetic moissanite.