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Fireclay Bricks

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K 43

CLASSIFICATION : SUPER – DUTY FIRECLAY BRICK
PRODUCT INFORMATION:

  • Pyrometric Cone Equivalent 33-34 Orton Cone
    Refractoriness 1,760 ° C
    Bulk Density 2,275-2,285 kg / m3
    Apparent Porosity 17.0-18.0 %
    Cold Crushing Strength 350-400 kg / cm2
    Modulus of Rupture 80-90 kg / cm2
    Reheat Test. Permanent Linear Change
    After Heating at 1.400 ° C -0.5 %

  • at 800 ° C 0.55 %
    at 1,000 ° C  0.60 %
    at 1,200 ° C  0.65 %
    at 1.400 ° C  0.70 %

  • Silica (SiO2) 49.0 %
    Alumina (AI2O3) 45.8 %
    Iron Oxide (Fe2O3)  1.3 %
    Calcium Oxide (CaO) 0.4 %
    Alkalines (Na2O + K2O + Li20) 0.5 %

SK 30

CLASSIFICATION : MEDIUM – DUTY FIRECLAY BRICK
PRODUCT INFORMATION:

  • Pyrometric Cone Equivalent 29- 30 Orton Cone
    Refractoriness 1,670 ° C
    Bulk Density 2,140- 2,150 kg / m3
    Apparent Porosity 19.0 – 20.0 %
    Cold Crushing Strength 220- 250 kg / cm2
    Modulus of Rupture 55 – 70 kg / cm2
    Reheat Test. Permanent Linear Change
    After Heating at 1.400 ° C 0.0 to – 0.06 %

  • at 800 ° C 0.55 %
    at 1,000 ° C  0.60 %
    at 1,200 ° C  0.70 %
    at 1.400 ° C  0.71 %

  • Silica (SiO2) 64.1 %
    Alumina (AI2O3) 31 .8 %
    Iron Oxide (Fe2O3)  1.9 %
    Calcium Oxide (CaO) 0.4 %
    Alkalines (Na2O + K2O + Li20)  0.5 %

SK 32

CLASSIFICATION : HIGH – DUTY FIRECLAY BRICK
PRODUCT INFORMATION:

  • Pyrometric Cone Equivalent  31 – 32 Orton Cone
    Refractoriness 1,715 ° C
    Bulk Density 2,200 – 2,250 kg / m3
    Apparent Porosity 18.0- 19.0 %
    Cold Crushing Strength 220 – 320 kg / cm2
    Modulus of Rupture  55 – 70 kg / cm2
    Reheat Test, Permanent Linear Change
    After Heating at 1 ,400 ° C  0.0 to – 0.2 %

  • at 800 ° C  0.50 %
    at 1,000 ° C  0.60 %
    at 1,200 ° C  0.70 %
    at 1,400 ° C  0.72 %

  • Silica (SiO2)  57.8 %
    Alumina (A1p3) 36.2%
    Iron Oxide (Fe2O3) 1.4 %
    Calcium Oxide (CaO) 0.5 %
    Al kalines (Na20 + K20 + Li20) 0.5 %

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