Cementco Ltd

PORTLAND 42, 5 N & R CEMENTOrdinary Portland Cement Grade 42.5 N or R specification Chemical composition according to:United States Standard ASTM C 150 orBritish Standard BS 12/1996( We are a mandate holder).Payment term can be transferable/nontransferableCHEMICAL COMPOSITION:SILICON DIOXIDE (SIO2)21.00ALUMINIUM OXIDE (A12O3)5.30FERRIC OXIDE (FE2O )3.30CALCIUM OXIDE (CAO)65.60MAGNESIUM OXIDE (MGO)1.10SULPHUR TRIOXIDE (SO3)2.70LOSS OF IGNITION (LOI)0.90TRICALCIUM SILICATE (C3S)60.00DICALCIUM SILICATE (C2S)15.00TRICALCIUM ALUMINATE (C3A)8.05TRICALCIUM ALUMINO FERRICE (C4AF)9.76PHYSICAL AND MECHANICAL PROPERTIES:BLAIN CM2/GR3.250AUTOCLAVE EXPANSION0.02INITIAL SETTING TIME (VICAT)105 MINUTESFINAL SETTING TIME (VICAT)135 MINUTESPlease contact us for more details. [详细介绍]