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Castable Refractories

Castable Refractories
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ALC 90

CLASSIFICATION : ALUMINA – CHROME ULTRA LOW CEMENT CASTABLE
PRODUCT INFORMATION:

  • Maximum Service Temperature 1,750 ° C
    Maximum Grain Size of Aggregates 12.5 mm.
    Approximate Weight Required for Casting 2,770-2,970 kg / m3
    Approximate Amount of Water
    Required for Casting 5.0-5.6 %
    Bulk Density After Drying at 110 ° C 2,800-3,000 kg / m3
    Cold Crushing Strength After Drying at 110 ° C 200-350 kg / cm2
    Modulus of Rupture
    After Drying at 110 ° C 45-70 kg / cm2
    Permanent Linear Change
    After Heating at 1 ,400 ° C -0.20 %

  • at 400 ° C 1.60 kcal / m.hr ° C
    at 600 ° C 1.54 kcal / m.hr ° C
    at 800 ° C 1.52 kcal / m.hr ° C
    at 1,000 ° C 1.50 kcal / m.hr ° C

  • Silica (SiO2) 6.1 %
    Alumina (Al2O3) 89.8 %
    Iron Oxide (Fe2O3) 1.3 %
    Chrome Oxide (Cr2O3) 0.5 %

C 60

CLASSIFICATION : HIGH – ALUMINA LOW CEMENT CASTABLE
PRODUCT INFORMATION:

  • Maximum Service Temperature 1,600 ° C
    Maximum Grain Size of Aggregates 12.5 mm.
    Approximate Weight Required for Casting 2,400-2,430 kg / m3
    Approximate Amount of Water
    Required for Casting 10.0-11.5 %
    Bulk Density After Drying at 110 ° C 2,430-2,440 kg / m3
    Cold Crushing Strength After Drying at 110 ° C 300-350 kg / cm2
    Modulus of Rupture
    After Drying at 110 ° C 60-65 kg / cm2
    Permanent Linear Change
    After Heating at 1 ,400 ° C -0.05 %

  • at 400 ° C 0.95 kcal / m.hr ° C
    at 600 ° C 0.94 kcal / m.hr ° C
    at 800 ° C 0.93 kcal / m.hr ° C
    at 1,000 ° C 0.93 kcal / m.hr ° C

  • Silica (SiO2) 36.1 %
    Alumina (Al2O3) 61.2 %
    Iron Oxide (Fe2O3) 1.2 %

C 82

CLASSIFICATION:  HIGH – ALUMINA LOW CEMENT CASTABLE
PRODUCT INFORMATION:

  • Maximum Service Temperature 1,700 ° C
    Maximum Grain Size of Aggregates 12.5 mm.
    Approximate Weight Required for Casting 2,720-2,820 kg / m3
    Approximate Amount of Water
    Required for Casting 7.0-8.0 %
    Bulk Density After Drying at 110 ° C 2,750-2,850 kg / m3
    Cold Crushing Strength After Drying at 110 ° C 300-600 kg / cm2
    Modulus of Rupture
    After Drying at 110 ° C 50-85 kg / cm2
    Permanent Linear Change
    After Heating at 1 ,400 ° C -0.40 %

  • at 400 ° C 1.50 kcal / m.hr ° C
    at 600 ° C 1.35 kcal / m.hr ° C
    at 800 ° C 1.30 kcal / m.hr ° C
    at 1,000 ° C 1.25 kcal / m.hr ° C

  • Silica (SiO2) 13.1 %
    Alumina (Al2O3) 82.5 %
    Iron Oxide (Fe2O3) 1.2 %

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