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Thermal Ceramics Kaocrete 249 C Low Cement Castables
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: Kaocrete 249C is a low cement castable designed for internal or external high frequency vibration placement. It provides excellent volume stability and load bearing characteristics for continuous operation of 2800°F (1538°C).

Features:

  • High-strength low cement castables
  • Closely controlled grain sizing
  • Rival the low porosity and low hot load deformation of many dense firebricks
  • Applications:

  • Forge furnace hearths
  • Door jambs
  • Lintels and piers
  • Cartops
  • Rotary kiln nose rings, retainer rings and dams
  • Rotary hearth curbs
  • Walking beam furnace hearth
  • Pusher furnace hearths
  • Skid pipe protection
  • Troughs for molten copper
  • Information provided by Thermal Ceramics

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

    Vendors:
    Available Properties
    • Density, Fired
    • Porosity, ASTM C20, Fired at 2800°F
    • Deformation, ASTM C16, load-25 psi, 1.5 hours at 2640°F
    • Modulus of Rupture, ASTM C133, Dried 18-24 hours at 220°F
    • Modulus of Rupture, ASTM C133
    • Modulus of Rupture, ASTM C133
    • Modulus of Rupture, ASTM C133
    • Modulus of Rupture, ASTM C133
    • Modulus of Rupture, ASTM C133
    • Modulus of Rupture, ASTM C133
    • Compressive Strength, Dried for 18-24 hours at 220°F
    • Compressive Strength, ASTM C133, Fired 5 hours at 1500°F
    • Compressive Strength, Fired 5 hours at 2800°F
    • Abrasion, ASTM C704, loss, cc`s; Fired 5 hours at 1500°F
    • Thermal Conductivity, ASTM C417
    • Thermal Conductivity, ASTM C417
    • Thermal Conductivity, ASTM C417
    • Thermal Conductivity, ASTM C417
    • Maximum Service Temperature, Air
    • Shrinkage, ASTM C113
    • Shrinkage, ASTM C113
    • Shrinkage, ASTM C113, Dried 18-24 hours
    • Shelf Life
    • Al2O3
    • Alkalis
    • CaO
    • Fe2O3
    • MgO
    • SiO2
    • TiO2
      
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