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Lab Instruments
Thermal Ceramics Pyro-Bloc C
Categories: Ceramic; Oxide; Silicon Oxide

Material Notes: Pyro-Bloc Veneering modules, R Grade, ZR Grade, C Grade are made Pyro-Log fiber turned edge-grain and slightly compressed with a gauze type wrap. Pyro-Bloc Veneering Modules are part of the Unisystem family of products. They can be applied over a variety of refractory surfaces using K-Bond mortar. Unikote M or S surface coatings are normally applied over the module hot face to provide thermal stability and chemical attack resistance.


  • 12" x 12" (305 mm x 305 mm) blocks of ceramic fiber insulation
  • Easily installed over existing refractory surface
  • Improves furnace efficiency without replacing a serviceable refractory lining
  • Monolithic, edge-grained ceramic fiber modules
  • Maximum temperature rating 2600°F (1427°C)
  • Applications:

  • Forge furnaces
  • Crucible furnace
  • Rotary hearth furnace
  • Holding furnace
  • Heat treating furnace
  • Pusher reheat furnace
  • Ceramic kiln
  • Information provided by Thermal Ceramics

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

    Available Properties
    • Density
    • Thermal Conductivity, ASTM C201, 12 pcf
    • Thermal Conductivity, ASTM C201, 12 pcf
    • Thermal Conductivity, ASTM C201, 12 pcf
    • Thermal Conductivity, ASTM C201, 12 pcf
    • Maximum Service Temperature, Air, Rating
    • Maximum Service Temperature, Air, Continuous
    • Al2O3
    • Cr2O3
    • SiO2
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