PORTLAND GREY CEMENT
Description : Commodity: Ordinary Portland Cement – OPC
Grade: 42.5R/N
Origin: EU -197-1-2000
Quantity: 25000MT per month
Total Quantity: 300,000MT
Destination Port: ASWP
Specifications:
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
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
COMPRESSIVE STRENGTH @03 DAYS 230 KG/CM2 AND @07 DAYS 305 KG/CM2 AND @28
DAYS 420 KG/CM2
COMPRESSIVE STRENGTH MORTAR MPA (N/MM2)
03 DAYS - 230 KG/CM2
07 DAYS – 305 KG/CM2
28 DAYS – 420 KG/CM2
SETTING TIME
INITIAL 155 MIN
FINAL 245 MIN
BLAINE ANALISIS, SPECIFIC SURFACE 325,0 M /KG
FINENESS OF CEMENT 900 0,6
% IN RESIDUE IN SIEVE 4900 8,5
SOUNDNESS 0 MM