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CEMENT CLINKER
All Origins
  Specification
  Item From Cement Factory (%)
    Trabzon Bulgaria Egypt China
  Silicon Dioxide - SiO2 21.09 21.5 21.2 - 22.2 20.0 - 22.5
  Potassium Dioxide - K2O     0.2 - 0.4  
  Sodium Dioxide - Na2O     0.2 - 0.4  
  Aluminum Oxide - Al2O3 5.6 5 4.9 - 5.7 4.6 - 7.0
  Ferric Oxide - Fe2O3 3.9 3.5 3.3 - 4.0 2.7 - 3.5
  Calcium Oxide - CaO 66.01 65.6 64.4 - 66.7 63
  Magnesium Oxide - MgO 1.3 1.3 1.4 - 2.0 5
  Sulphur Trioxide - SO3 0.3 1.3 0.3 - 0.7 1
  Loss of Ignition 0.26 0.5 0.1 - 0.3 1
  Insoluble Residue 0.02 0.2 0.0 - 0.2 0.5
  Free Lime - f-CaO 1.3 1.2 0.5 - 1.5 1.5
  Total Alkali       0.9
  Tricalcium Silicate - C3S 59.98 56.3 55 - 62 52
  Dicalcium Silicate - C2S 15.3 19.6 13 - 20 17 - 24
  Tricalcium Aluminate - C3A 8.25 7.4 6.0 - 9.0 4.0 - 10.0
  Tetracalcium Aluminoferrite - C4AF 11.87 10.5 11.0 - 13.0 7.0 - 12.0
  Chlorine (CL) Content   0.1 0.01 - 0.02 0.01
  Lime Saturation Factor (LSF)   96 92.0 - 96.0 92
  Compressive Strength 3 days 18.7 (2 days)     28
  Compressive Strenght 28 days 49.1     52.5
 
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