Rayon Carbon


Rayon Carbon Felt is a premium material designed and used for high-temperature insulation in vacuum furnaces and inert gas furnaces, among other applications. Rayon felt has higher carbon and lower ash content in comparison to our Pan felt. Rayon Carbon felt is heat-treated to a temperature of 3452℉ | 1900℃.

If you need a custom size or larger quantity, please contact us directly for a custom quote.

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Heat Treat Temp: 3452℉ | 1900℃

Grade: Rayon Carbon

Density: 0.12 g/cm³

Product Documentation


  • Easy to cut and install.
  • Low density and thermal mass.
  • High thermal resistance.
  • Low ash and sulphur content.
  • Low gas evolution and higher gas oxidation resistance
  • No outgassing.


  • Furnace insulation & parts.
  • Heat shields & sinks.
  • Backing strips for soldering & welding.
  • Cathode in flow battery applications.
  • Reaction surface for other electro-chemical processes.
  • Glass blowing pads & plumber pads.
  • Wicks in ultralight stoves.
  • Automotive exhaust linings.
  • Thermal insulators.


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