
ORDINARY GRAY PORTLAND CEMENT CEM I 42.5 N/R
SPECIFICATIONS: EUROPEAN EN 197-1:2000, BRITISH BS 12/1996 / BS 175/1999, AMERICAN ASTM C-150 / ASTM C-150/1997, AFRICA SABS
ORIGIN: COUNTRIES OF EUROPE, USA, BRAZIL, MEXICO, INDONESIA, NORTHERN AFRICA
CERTIFICATE FOR RUSSIA: TYPE OF MARK 500 / GOST 10178-85
ORDINARY PORTLAND CEMENT 42.5 N
CHEMICAL COMPOSITION
SILICON DIOXIDE (Sio2) 21.00
ALUMINIUM TRIOXIDE (Al2O3) 5.30
FERRIC OXIDE (Fe2O3) 3.30
CALCIUM OXIDE (CaO) 65.60
MAGNESIUM OXIDE (MgO) 1.10
SULPHURE TRIOXIDE (SO3) 2.70
INSOLUBLE RESIDUE 1.5.0.160
LOSS ON IGNITION (LOI) 0.90
DICALCIUM SILICATE (C2S) 15.00
TRICALCIUM ALUMINATE (C3A) 8.05
TRICALCIUM ALUMINO FERRICE (C4AF) 9.76
CALCIUM OXIDE (K20) 0.690
NITRATE OXIDE (Na2O) 0.400
IRON OXIDES NOT TO EXCEED 3.3
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 230KG/CM2
COMPRESSIVE STRENGTH @ 07 DAYS 305 KG/CM2
COMPRESSIVE STRENGTH @ 28 DAYS 420 KG/CM2
COMPRESSIVE STRENGTH MORTAR MPA (N/MM�): 42.5N- 2 DAYS - 10.00
STANDARD 28 DAYS STRENGTH MINIMUM 42.5 MAXIMUM 62.5
COMPRESSIVE STRENGTH MORTAR MPA (N/MM2) 42.5R - 2DAYS - 20.00
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