Specification:
CEMENT 42.5 N: Chemical Composition
Silicon Dioxide (SIO2) 21
Aluminum Oxide (AL203) 5.3
Ferric Oxide (FE203) 3.3
Calcium Oxide (CAO) 65.6
Magnesium Oxide (MGO) 1.1
Sulphur Trioxide (SO3) 2.7
Loss Of lgnition (LOI) 0.9
Tricalcium Silicate (C3S) 60
Dicalcium Silicate (C2S) 15
Tricalcium Aluminate (C3A) 8.05
Tricalcium Alumino Ferrice(C4AF) 9.76
CEMENT 42.5 N : Physical and Mechanical
Blain CM2/GR 3.25
Autoclave Expantion 0.02
Initial Setting Time (VICAT) 105 minutes
Final Setting Time (VICAT) 135minutes
Compressive Strength
@03 days 230 kg/sm2
@07 days 305 kg/sm2
@28 days 420 kg/sm2.
Cement will be supplied in 50KG PP bags.
