Silicon Carbide Refractory Castable
  • Silicon Carbide Refractory Castable
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Silicon Carbide Refractory Castable

Silicon carbide (SiC) refractory castable is a type of refractory materials primarily composed of ‌silicon carbide‌ as the main raw material, characterized by ‌high wear resistance‌, ‌excellent thermal conductivity‌, and ‌superior corrosion resistance‌‌. They are widely applied in wear-prone areas across industries such as steel, glass, ceramics, and cement‌. ·High wear resistance‌: Exhibits exceptional abrasion resistance due to SiC’s ‌Mohs hardness of 9.2‌ and dense microstructure, suitable for high-wear environments‌. ·High thermal conductivity‌: Thermal conductivity ranges from ‌58.6 W/m·K‌ (pure SiC) to optimized values in composite formulations, enabling efficient heat transfer‌. ·Corrosion resistance‌: Resists chemical attack from acidic/alkaline slags and molten metals, even at temperatures up to ‌1600°C‌‌.

  • Product Detail
    • Application and Equipment:

    Steel Industry: Used in wear-resistant areas of blast furnaces and hot blast stoves.

    Glass Industry: Applied in Abrasion-resistant zones in glass melting furnaces.

    Ceramics Industry: Used in high wear areas in ceramic kilns.

    Cement Industry: Utilized in wear-resistant linings for cement rotary kilns.

    •  Parameters of Silicon Carbide Refractory Castable:

    Item

    SCRC-30

    SCRC-50

    SCRC-60

    Maximum service temperature, ℃

    1400

    1500

    1600

    Al2O3, %

    55

    35

    25

    SiC, %

    30

    50

    60

    B.D After Drying at 110℃, g/cm³

    2.4-2.6

    2.4-2.6

    2.4-2.6

    Cold Bending Strength, MPa

    110℃*24h

    8

    8

    10

    1100℃*3h

    9

    9

    11

    Cold Compressive Strength, MPa

    110℃*24h

    60

    70

    100

    1100℃*3h

    70

    80

    110

    Linear Change Rate After Burning , %

    1100℃*3h

    ±0.3

    ±0.4

    ±0.4

    Construction Reference Water Consumption, %

    6-7

    6-7

    5-6

    Note: Can be customized according to customer requirements, with technical parameters adjustable.


    • Application and Equipment:

    Steel Industry: Used in wear-resistant areas of blast furnaces and hot blast stoves.

    Glass Industry: Applied in Abrasion-resistant zones in glass melting furnaces.

    Ceramics Industry: Used in high wear areas in ceramic kilns.

    Cement Industry: Utilized in wear-resistant linings for cement rotary kilns.

    •  Parameters of Silicon Carbide Refractory Castable:

    Item

    SCRC-30

    SCRC-50

    SCRC-60

    Maximum service temperature, ℃

    1400

    1500

    1600

    Al2O3, %

    55

    35

    25

    SiC, %

    30

    50

    60

    B.D After Drying at 110℃, g/cm³

    2.4-2.6

    2.4-2.6

    2.4-2.6

    Cold Bending Strength, MPa

    110℃*24h

    8

    8

    10

    1100℃*3h

    9

    9

    11

    Cold Compressive Strength, MPa

    110℃*24h

    60

    70

    100

    1100℃*3h

    70

    80

    110

    Linear Change Rate After Burning , %

    1100℃*3h

    ±0.3

    ±0.4

    ±0.4

    Construction Reference Water Consumption, %

    6-7

    6-7

    5-6

    Note: Can be customized according to customer requirements, with technical parameters adjustable.


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