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    Tundish retaining wall and dam

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    The middle Montreal Group production package retaining wall and retaining dam, with prefabricated parts made of magnesium and aluminum, alumina magnesia castable, has the characteristics of high stren

    1. Detailed information
    The middle Montreal Group production package retaining wall and retaining dam, with prefabricated parts made of magnesium and aluminum, alumina magnesia castable, has the characteristics of high strength, corrosion resistance, anti erosion and skimming ability, is conducive to the purification of molten steel has been widely used.
         
    Main physical and chemical indexes of tundish retaining wall and dam


    材料
    Material
    镁铝质
    Magnesia-alumina
    刚玉质
    Corundum
    镁质
    Magnesia
    牌号
    Brand
    LR-ZD-1
    LR-ZD-2
    LR-ZD-M
    化学成分/ %,≥
    Chemical
    composition
    Al2O3
    50
    85

    MgO
    25

    80
    体积密度/ gcm-3,
    Bulk density
    2.9
    2.8
    2.9
    耐压强度/MPa,
    Crushing strength
    110℃
    50
    30
    60
    1500℃
    40
    35
    20
    烧后线变化/ %
    Firing linear change
    1500℃
    0 ~ +3.0
    0 ~ +1.5
    0 ~ +1.5


     

    Shelf life: six months

    Note: when the storage is waterproof and moistureproof, cracks do not use


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