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Fireclay Bricks

    • Alumina content in fireclay bricks approximate 28-45% are classified to Medium-duty Fireclay brick. High-duty Fireclay brick. High-duty Fireclay brick.
    • Alumina content in fireclay bricks between about 10-28% ae classified to low alumina fireclay bricks.
    • Good thermal shock and spalling resistance.
    • Good resistance to abrasion and corrosion.
    • Good volume stability at high temperature.
    • High machanical strength.


  • The main applications for Fireclay brick are listed below:

    • Furnace construction.
    • Blast furnace/Hot blast stove.
    • Coke ovens and gas furnace.
    • Glass industry
    • Cement industry
    • Safety lining of ladle.
    • Backup lining of boiler.


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  • SK30

    SK32

    SK34

     K43

    Pyrometric Cone Equivalent  Orton Cone 29 - 30 31 - 32 33 - 34 33 - 34
    Refractoriness  °C 1,670 1,715 1,760 1,760
    Bulk Density kg/m3 2,140 - 2,150 2,200 - 2,250 2,235 - 2,250 2,275 - 2,285
    Apparent Porosity  % 19.0 - 20.0 18.0 - 19.0 17.0 - 18.0 17.0 - 18.0
    Cold Crushing Strength  kg / cm2 220-250 220-320 300-350 350 - 400
    Modulus of Rupture  kg / cm2 55 - 70 55 - 70 60 - 80 80 - 90
    Reheat Test. Permanent Linear Change After Heating at 1.400 ° C  % 0.0 to - 0.06 0.0 to - 0.2  - 0.18  - 0.5