RubberMill’s R57940 is a lightweight, washed ceramic paper that has the following features: structural uniformity, low thermal conductivity, chemical corrosion and thermal shock resistance. This material provides an excellent solution for gaskets, seals, and insulation that require service operating temperatures up to 2300℉. The material can be die-cut, slit, and bonded to various substrates.



General Specifications:
  • Color: White
  • Thickness: 0.125″ and 0.25″
  • Maximum Use Limit: 2300℉
  • Density (PCF): 10-13
  • Tensile Strength (PSI): 75-90
  • Break Strength (PSI): 10-15
  • LOI: <10%
  • Thermal Conductivity:
    @1112℉, 0.55 W/mk (Btu in./hr./ft2)
    @1472℉, 0.80
    @1832℉, 1.25
  • Chemical Composition:
    AI2O3 45-46%
    SiO2 51-52%
    Other trace
  • Latex Content: 7%

Properties shown here are typical values. Final determination for suitability for use must be made by the customer.