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

      MgO-Al?O?-CARBON BRICKS



    DESCRIPTION:
    Magnesia-Alumina-carbon brick, resin bonded, tempered, made from fused  magnesia ,Fusedcorundum, bauxite,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-MAC60/20-10A


    DH-MAC60/20-10B


    DH-MAC65/20-10A

    CHEMICAL ANALYSIS







    MgO     ,%


    > 60


    > 60


    > 65

    Al?O?    ,%


    > 20


    > 20


    > 20

    Residual Carbon   ,%







    firing in red.atm.at 1000℃


    > 10


    > 10


    > 10








    PHYSICAL DATA







    As delivered:







    Bulk density    ,g/cm3


    2.95-3.05
    2.95-3.05
    3.00-3.10

    Apparent porosity     ,%


    < 6.0


    < 7.0


    < 5.0

    Cold crushing strength    ,Mpa


    > 40
    > 40
    > 40







    After coking 1000℃:







    Bulk density    ,g/cm3


    2.88-2.98
    2.88-2.98
    2.92-3.02

    Apparent porosity     ,%


    < 13
    < 13
    < 12

    Cold crushing strength    ,Mpa


    > 25
    > 25
    > 25







    ?


    DH-MAC65/20-10B


    DH-MAC55/30-10A


    DH-MAC55/30-10B

    CHEMICAL ANALYSIS







    MgO     ,%


    > 65


    > 55


    > 55

    Al?O?    ,%


    > 20


    > 30


    > 30

    Residual Carbon   ,%







    firing in red.atm.at 1000℃


    > 10


    > 10


    > 10








    PHYSICAL DATA







    As delivered:







    Bulk density    ,g/cm3


    3.00-3.10
    3.00-3.05
    2.98-3.02

    Apparent porosity     ,%


    <5.0


    < 4.0


    < 5.0

    Cold crushing strength    ,Mpa


    > 40
    > 40
    > 40







    After coking 1000℃:







    Bulk density    ,g/cm3


    2.92-3.02
    2.92-2.98
    2.90-2.95

    Apparent porosity     ,%


    < 12
    < 11
    < 12

    Cold crushing strength    ,Mpa


    > 25
    > 25
    > 25








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