Silicon Carbide

Silicon Carbide (SiC) is an extremely hard material which is produced by using the “Acheson” furnace technique to heat silica sand and a carbon source (typically petroleum coke) to high temperatures. Once completed the result is a crystalline formation of both green and black Silicon Carbide. The difference in the color is a direct result of the purity. Green SiC is of higher purity.

The Characteristics of SiC include:

  • Extremely hard (Mohs hardness 9.25)
  • High thermal conductivity
  • Low coefficient of thermal expansion
  • Thermal shock and abrasion resistant
  • Strength at high temperatures
  • Chemical inertness
  • Does not melt
  • Available in Macro Grit, Micro Grit, Submicron sizes

Typical Applications:

Aerospace Anti-skid
Blasting Body armor
Ceramic wear parts Compounds
Grinding Heat transfer Heat temp sensors
Kiln Furniture Lapidary/Rock Tumbling
Lapping Metal matrix composites
Milling Polishing
Refractories Reaction bonded parts
Sawing Silicon, Quartz Sintered parts
Wire-sawing Vitrified and Resinoid grinding wheels
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