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High Alumina Bricks

High Alumina Bricks

SK 36

CLASSIFICATION : HIGH – ALUMINA BRICK
PRODUCT INFORMATION:

  • Pyrometric Cone Equivalent  35- 36 Orton Cone
    Refractoriness 1,785 ° C
    Bulk Density 2,460 – 2,480 kg / m3
    Apparent Porosity 18.0 – 19.0 %
    Cold Crushing Strength 450 – 480 kg / cm2
    Modulus of Rupture 70 – 80 kg / cm2
    Reheat Test, Permanent Linear Change
    After Heating at 1 ,400 ° C + 0.5 %

  • at 800 ° C 0.40 %
    at 1,000 ° C 0.60 %
    at 1,200 ° C 0.70 %
    at 1,400 ° C 0.82%

  • Silica (SiO2) 35.2 %
    Alumina (AI2O3) 61.1 %
    Iron Oxide (Fe2O3) 1.4 %
    Calcium Oxide (CaO) 0.4 %
    Alkalines (Na2O + K2O + Li2O) 0.5 %

SK 38

CLASSIFICATION : HIGH – ALUMINA BRICK
PRODUCT INFORMATION:

  • Pyrometric Cone Equivalent  37 – 38 Orton Cone
    Refractoriness 1,830 ° C
    Bulk Density 2,740 – 2,750 kg / m3
    Apparent Porosity 17.0 – 18.0 %
    Cold Crushing Strength 720 – 750 kg / cm2
    Modulus of Rupture 120 – 130 kg / cm2
    Reheat Test, Permanent Linear Change
    After Heating at 1 ,400 ° C + 1.00 %

  • at 800 ° C 0.45 %
    at 1,000 ° C 0.70 %
    at 1,200 ° C 0.75 %
    at 1,400 ° C 0.90 %

  • Silica (SiO2) 15.2 %
    Alumina (AI2O3) 79.8 %
    Iron Oxide (Fe2O3) 1.6 %
    Calcium Oxide (CaO) 0.3 %
    Alkalines (Na2O + K2O + Li2O) 0.4 %