RCF Coating Cement


RCF Coating Cement is a fiberboard coating and cement that is manufactured from colloidal silica and mixed with a ceramic fiber powder and thickening agent. The coating cement has a temperature rating of 2300℉ (1260℃). The consistency of the cement makes it very versatile and permits differing applications.


Temperature Rating: 2300℉

Product Documentation


  • Resists wetting by many nonferrous molten metals.
  • Erosion resistance and good adhesion to most materials.
  • Dielectric strength and thermal reflectance
  • Easy and versatile application via brushing, dipping, or spraying.


  • Surface coating for molten aluminum contact.
  • Oxidation-resistant coatings for injection tubes and graphite crucibles.
  • Flame resistant coatings.
  • Patching refractory Joints & Cracks.
  • Hardware protection for ceramic fiber furnace linings.
  • Patching for burner blocks and vacuum formed Ceramic Fiber parts.
  • Radiant coating for a variety of substrates.
  • Electrical insulation coatings and potting.


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