High alumina lightweight bricks


This product is mainly made of high-quality high alumina bauxite as the main raw material, combined with appropriate additives, and produced using the polymer-light ball burning loss method. There are two production processes : mechanical and extrusion cutting . It has the characteristics of high temperature resistance , small changes in re firing line , and low thermal conductivity.

  • This product is mainly made of high-quality high alumina bauxite as the main raw material, combined with appropriate additives, and produced using the polymer-light ball burning loss method. There are two production processes : mechanical and extrusion cutting . It has the characteristics of high temperature resistance , small changes in re firing line , and low thermal conductivity.

    Item LG-0.6 LG-0.8 LG-1.0 LG-1.2
    Al₂O₃%≥ 50 52 55 60
    Fe,0₃%≤ 1.0 1.2 1.2 1.3
    Bulk Density g/cm⁸ 0.6 0.8 1.0 1.2
    Mpa 1.5 2.5 3.5 4.5

    Reburning line change %

    1250℃×12h 

    -2~-1.0

    1350℃×12h 

    -2~-1.0

    1400℃×12h
    -1.0~-0.5

    1450℃×12h 

    -1.0~-0.5

    Thermal Conductivity 350℃±25℃ W/m·k≤ 0.25 0.35 0.45 0.55
    Maximum operating temperature ℃ 1300 1350 1400 1450

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High alumina lightweight bricks


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