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      • Bubble Alumina Brick

    • Category：
      Coal Chemical Industry
    • Browse number：
      281
    • Release time：
      2024-05-23 14:36:29
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    Bubble alumina brick are mainly used as insulating layer in water-coal slurry gasifier and other thermal equipments. They have high strength, good insulating property, low thermal conductivity, and can be long-term used under atmosphere of high temperature, high pressure and reduction.


    Item

    Specifications

    Al2O3 (%) ≥

    98

    Fe2O3(%) ≤

    0.5

    SiO2(%) ≤

    0.5

    Bulk Density(g/cm3) ≤

    1.5

    Cold Crushing Strength(Mpa) ≥

    6.0

    Refractoriness(℃) ≥

    1790

    Liner Change after Heat (%) ≤

    1600℃×3h

    0.3

    Thermal Conductivity ≤

    400℃(W/m.k)

    1.1

    800℃(W/m.k)

    1.4

    1000℃(W/m.k)

    1.6






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