Portland cement clinker is a dark grey nodular material made by heating ground limestone and clay at a temperature of about 1400 C 1500 C The nodules are ground up to a fine powder to produce cement with a small amount of gypsum added to control the setting properties

SR NO PARAMETER UNIT RANGE TEST METHOD TEST RESULT
A Chemical Parameters
1 Silicon Dioxide SiO 2000 2160 ASTM C1142012
2 Aluminium Oxide AlO 500 640 ASTM C1142012
3 Ferric Oxide FeO 340 450 ASTM C1142012
4 Calcium Oxide CaO 6500 ASTM C1142012
5 Magnesium Oxide MgO 190 ASTM C1142012
6 Sulphur Trioxide SO 155 ASTM C1142012
7 Total Alkali Na2O 065K20 080 ASTM C1142012
8 Chloride Cl 003 ASTM C1142012
9 Loss On Ignition LOI 050 ASTM C1142012
10 Free CaO 180 ASTM C1142012
11 Insoluble Residue IR 050 ASTM C1142012
B Chemical Modules
1 Lime Saturation Factor LSF 9300 Bogue Formula
2 Silica Modulus SM 250 Bogue Formula
3 Alumina Modulus AM 170 Bogue Formula
4 Tri Calcium Silicate CS 55 Bogue Formula
5 Di Calcium Silicate CS 1000 2000 Bogue Formula
6 Tri Calcium Aluminate CA 700 Bogue Formula
7 Tetra Calcium Alumino Ferrite CAF 1000 1400 Bogue Formula
Formula for arriving C3S is 4071x CaO Free CaO 760 x SiO2 6718 x Al2O3 143 x Fe2O3