Silicon Carbide Refractories (CUMIFRAC®)

CUMIFRAC Silicon Carbide refractories are produced from silicon carbide, a raw material synthesized in a resistance-type electric furnace at temperature exceeding 2500°C, through the reaction of silica with carbon. They have a thermal conductivity ten times that of fireclay refractories, good corrosion and thermal shock resistance, and can be formed into complex shapes. They can withstand slag attack and flame erosion. This makes CUMIFRAC unusual even among advanced refractories and has given it wide uses.

Outstanding Features

  • Extremely high thermal conductivity
  • Very high hot strength
  • High erosion and abrasion resistance, thermal shock resistance
  • Chemical inertness
User Industries Application
H.T. Insulators / Ceramics Kiln furniture
Sanitaryware Muffles and chamber-fronts
Ferro-alloys Taphole linings
Foundries, Forge plants, Powder metallurgy Heat treatment furnace hearth


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