Ordinary Portland Cement, OPC, Grade 42.5 / 42.5 R / 52.5
COMMODITY: ORDINARY PORTLAND CEMENT 42.5 GRADE
PACKING : In 50 Kg Bags/BULK.
SPECIFICATIONS:
CEMENT - 42.5 R : Chemical Composition
SILICON DIOXIDE (SIO2) 21.00
ALUMINIUM OXIDE (A12O3) 5.30
FERRIC 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
CEMENT - 42.5 R : Physical and Mechanical Properties
BLAIN CM2/GR 3.250
AUTOCLAVE EXPANTION 0.02
INITIAL SETTING TIME (VICAT) 105 MINUTES
FINAL SETTING TIME (VICAT) 135 MINUTES
03 DAY'S 230 KG/CM2
07 DAY'S 305 KG/CM2 COMPRESSIVE STRENGTH
28 DAY'S 420 KG/CM2
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