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Black silicon carbide for mental surface treatment

Product: Silicon carbide

Raw material: Quartz sand, coal tar

Color: Black

Usage: Mental surface polishing

Common size: F 16-325 mesh

Packing: 25kg/bag


Silicon carbide is produced at high temperature in an electric resistance type furnace with quarts sand and petroleum coke as its main raw materials. Its hardness is between fused alumina and synthetic diamond, so it always be applied in mental surface treatment sector.

Characteristic of silicon carbide

  • High hardness
  • Good thermal conductivity
  • Thermal expansion coefficient is small
  • Wear resistance
  • Sharp

Application of silicon carbide

  • Mental surface polishing
  • Rust removal

Specification of silicon carbide

Density 3.12g/cm2
SiC 80-95%
Free carbon 0.2%
Fe2O3 <0.6%
Hardness 9.6

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