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    INSULATING BRICKS

    INSULATING BRICKS

    1. SPECIFICATION

    Brand

    Item

    Caly

    Alumina 

    Mullite

    Corundum- mullite

    Al2O3 % min

    40

    50

    70

    80

    Max Service Temperature

    (°C)

    1200

    1300~1400

    1400~1600

    1600~1800

    Bulk Density

    (g/cm3)

    0.9~1.2

    0.8~1.1

    1.5~1.8

    1.7~2.0

    Cold Crush Strength

    (Mpa, min)

    3.0

    5.0

    20

    20

    Refractoriness under load 0.2Mpa 

    T0.6 (℃ min)

    1260

    1420

    1650

    1700

    Thermal conductivity

    (1000℃, W/M?K max)

    0.6

    0.6

    1.0

    1.0

    Thermal shock resistance

    (water cooling, times min)

    30

    40

    50

    50

    Liner Change on Reheating

    (%)

    1250℃ X 3h

    ±0.5

    1400℃ X 3h

    ±0.5

    1500℃ X 3h

    ±0.3

    1500℃ X 3h

    ±0.3

        OTHER SPECIFICATIONS CAN BE DISCUSSED AS PER BUYER’S OPTION

    2. PACKING

         WOODEN PALLETS ENFORCED BY STEEL STRIP

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