Chrome Corundum Castable
  • Chrome Corundum Castable
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Chrome Corundum Castable

Chrome corundum castable is a kind of material with corundum and chromium oxide as main components, and added with α - Al2O3 , μ f -SiO₂ and other micro powders. The binder is pure calcium aluminate cement ( CA-70/80 ), and functional additives are added to improve fluidity and setting time. 1.Applicability: Since Al 2 O 3 and Cr 2 O 3 form a corundum solid solution phase, the anti-erosion ability is significantly improved, and it is suitable for industrial kiln environments with high temperature, corrosion and severe erosion; 2.Stability: Line change rate at high temperature ≤ ± 0.5% , excellent thermal shock resistance, resistance to slag penetration and chemical erosion; 3.High temperature performance: temperature resistance up to 1700-2000 ℃, high temperature flexural strength > 102MPa ;

  • Product Detail
    • Application and Equipment:

          Hazardous waste treatment: hazardous waste rotary kiln inlet / outlet, secondary combustion chamber and                                                        other harsh working conditions;

           Energy and chemical industry: carbon black reactor, water-coal slurry gasifier, incinerator lining;

          Metallurgical industry: steelmaking furnaces, ferroalloy kilns, air-permeable bricks and nozzle materials;

    • Parameters of  Chrome Corundum Castable:


    index

    Chrome corundum castable

    Chemical composition /%

    Al 2 O 3 , ≥

    85

    Cr 2 O 3 , ≥

    2.0

    Bulk density /(g/ cm³ )

    3.0

    Compressive strength /MPa

    110 ℃ *24h

    100

    1100 ℃ *3h

    120

    Flexural strength /MPa

    110 ℃ *24h

    10

    1100 ℃ *3h

    12

    Linear change after burning (1100 ℃ *3h)/%

    ± 0.5

    Note: Technical parameters can be adjusted according to customer requirements


    • Application and Equipment:

          Hazardous waste treatment: hazardous waste rotary kiln inlet / outlet, secondary combustion chamber and                                                        other harsh working conditions;

           Energy and chemical industry: carbon black reactor, water-coal slurry gasifier, incinerator lining;

          Metallurgical industry: steelmaking furnaces, ferroalloy kilns, air-permeable bricks and nozzle materials;

    • Parameters of  Chrome Corundum Castable:


    index

    Chrome corundum castable

    Chemical composition /%

    Al 2 O 3 , ≥

    85

    Cr 2 O 3 , ≥

    2.0

    Bulk density /(g/ cm³ )

    3.0

    Compressive strength /MPa

    110 ℃ *24h

    100

    1100 ℃ *3h

    120

    Flexural strength /MPa

    110 ℃ *24h

    10

    1100 ℃ *3h

    12

    Linear change after burning (1100 ℃ *3h)/%

    ± 0.5

    Note: Technical parameters can be adjusted according to customer requirements


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