Cement

Cement :
GREY PORTLAND CEMENT CONSTRUCTION GRADE 42.5
ACCORDING TO BRITISH STANDARDS 12/1996 OR ASTM C-150
CHEMICAL COMPOSITION
Silicon Dioxide (SiO) 21.00
Aluminium Oxide (Al203) 5.30
Feric Oxide (FE2O3) 3.30
Calcium Oxide (CAO) 65.60
Magnesium Oxide (MGO) 1.10
Sulphur Trioxide (SO3) 2.70
Loss of Ignition (LOI) 0.90
Tricalcium Silicate (C3S) 60.00
Dicalcium Silicate (C2S) 15.00
Tricalcium Aluminate (C3A) 8.05
Tricalcium Alumino Ferrice (C4AF) 9.76

PHYSICAL AND MECHANICAL PROPERTIES
Blain CM2/GR 3.250
Autoclave Expantion 0.02
Initial Seting Time (VICAT) 105 Minutes
Fianal Seting Time (VICAT) 135 Minutes

COMPRESSION STRENGTH
@ 03 Days 230 kg/cm2
@ 07 Days 305 kg/cm2