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    SILICA BRICKS

    SILICA BRICKS

    1. SPECIFICATION

    Type

    Item

    For coke oven

    For hot

    blast stove

    For glass 

    kiln

    Ordinary Silica 

    Bricks

    ST-GZ-95

    ST-GZ-94

    ST-GZ-93

    Chemical composition

    SiO2 % min

    94

    95

    95.5

    95

    94

    93

    Al2O3 % max

    1.0

    1.0

    1.0

    1.0

    1.0

    1.0

    Fe2O3 % max

    1.0

    1.0

    1.0

    1.0

    1.0

    1.0

    CaO % max

    2.5

    2.5

    2.5

    2.5

    2.5

    2.5

    R2O % max

    0.3

    0.3

    0.3

    0.3

    0.3

    0.3

    Physical properties

    Bulk Density

    g/cm3 min

    2.36

    2.35

    2.34

    2.35

    2.34

    2.33

    Apparent Porosity

    % max

    22

    23

    23

    22

    23

    25

    Cold Crushing Strength Mpa min

    45

    45

    40

    30

    25

    20

    Refractoriness Under Load ℃ min

    1650

    1600

    1650

    1650

    1640

    1630

    Refractoriness

    ℃ min

    1710

    1710

    1710

    1710

    1710

    1710

        OTHER SPECIFICATIONS CAN BE DISCUSSED AS PER BUYER’S OPTION

    2. PACKING

         WOODEN PALLETS ENFORCED BY STEEL STRIP

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