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Amatrium Materials AI
Thermal Ceramics TR-19HS Block Insulation
Categories: Ceramic

Material Notes: TR-19HS Block is an asbestos-free insulation products, manufactured from vermiculite granules and high temperature bonding materials.TR-19HS Block is a high strength structural insulation material, suitable particularly where mechanical loads are present. This block product has very low shrinkage to its 1900°F (1040°C) operating temperature limit and is resistant to cryolite vapor conditions.


  • Low thermal conductivity
  • Block construction 36" x 12"
  • Good high temperature strength
  • Variety of thicknesses up to 7”
  • Resistant to cryolite vapors


  • Side and end wall insulating material in carbon baking pits
  • Backup insulation in aluminum pot cells, reheat and pusher furnaces, copper reverberatory furnaces, and oil-fired water tube boilers

    Curved Block

  • Interior and exterior use on bustle pipes, hot air pipes, stacks and other curved or circular equipment
  • Information provided by Thermal Ceramics

    Data has not been recently verified. Please contact manufacturer for current information.

    Available Properties
    • Density, ASTM C303, at ambient temperature
    • Density, ASTM C303
    • Loss On Ignition
    • Porosity, ASTM C493
    • Modulus of Rupture, ASTM C203, at ambient temperature
    • Modulus of Rupture, ASTM C203
    • Compressive Strength, ASTM C165, at ambient temperature
    • Specific Heat Capacity
    • Thermal Conductivity
    • Thermal Conductivity
    • Thermal Conductivity
    • Thermal Conductivity
    • Thermal Conductivity
    • Thermal Conductivity
    • Thermal Conductivity
    • Maximum Service Temperature, Air, Continuous
    • Shrinkage, ASTM C356, Linear
    • Al2O3
    • Alkalis
    • CaO
    • Fe2O3
    • MgO
    • SiO2
    • TiO2
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