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    Al?O? -MgO-CARBON BRICKS
        Publish time 2018-09-18 16:45    

      Al?O? -MgO-CARBON BRICKS



    DESCRIPTION:
    Alumina-magnesia-spinel-carbon brick, resin bonded, tempered, made from fused corundum, bauxite, magnesia and flake graphite.
    MAIN APPLICATION:
    Sidewall and Bottom of steel treatment ladles, increased flexibility by spinel formation and therefore reduced slag infiltration and high thermal shock resistance.








    DH-AMC65/15-8A


    DH-AMC65/15-8B


    DH-AMC70/10-8A


    DH-AMC70/10-8B

    CHEMICAL ANALYSIS









    MgO     ,%


    > 15


    > 15


    > 10


    > 10

    Al?O?     ,%


    > 65


    > 65


    > 70


    > 70

    Residual Carbon     ,%









    firing in red.atm.at 1000℃


    > 8


    > 8


    > 8


    > 8










    PHYSICAL DATA









    As delivered:









    Bulk density    ,g/cm3


    3.0-3.10


    2.95-3.05


    3.05-3.15


    3.0-3.05

    Apparent porosity     ,%


    < 6.0
    < 7.0
    < 5.0
    < 6.0

    Cold crushing strength    ,Mpa


    > 45
    > 45
    > 45
    > 45









    After coking 1000℃:









    Bulk density    ,g/cm3


    2.92-3.02


    2.88-2.98


    2.98-3.08


    2.92-2.98

    Apparent porosity     ,%


    < 12
    < 13
    < 12
    < 13

    Cold crushing strength    ,Mpa


    > 30
    > 30
    > 30
    > 30






    DH-AMC75/10-8A


    DH-AMC75/10-8B


    DH-AMC55/30-8A


    DH-AMC55/30-8B

    CHEMICAL ANALYSIS









    MgO     ,%


    > 10


    > 10


    > 10


    > 10

    Al?O?     ,%


    > 75


    > 75


    > 75


    > 75

    Residual Carbon     ,%









    firing in red.atm.at 1000℃


    > 8


    > 8


    > 8


    > 8










    PHYSICAL DATA









    As delivered:









    Bulk density    ,g/cm3


    3.15-3.25


    3.10-3.20


    3.05-3.10


    3.00-3.05

    Apparent porosity     ,%


    < 4.0
    < 4.0
    < 4.0
    < 5.0

    Cold crushing strength    ,Mpa


    > 45
    > 45
    > 40
    > 40









    After coking 1000℃:









    Bulk density    ,g/cm3


    3.08-3.18


    3.02-3.12


    2.98-3.02


    2.92-2.98

    Apparent porosity     ,%


    < 11
    < 11
    < 11
    < 12

    Cold crushing strength    ,Mpa


    > 30
    > 30
    > 25
    > 25





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