GREY PORTLAND CEMENT Cem 1 42.5 R from Turkey SIO2 -21.00 AL203- 5.30 FE203 -3.30 CAO -65.60 MGO -1.10 SO3 -2.70 Loss of Ignition -0,90 C3S -60,00 C2S -15.00 C3A -8.05 C4AF -9.76 Blain - VICAT 3,250 Autoclave expansion -0.02 Initial setting time (VICAT) -105 Minutes Final Setting Time (VICAT) -135 Minutes Comprehensive strength at 3 days: 230 kg/cm2 Comprehensive strength at 7 days: 305 kg/cm2 Comprehensive strength at 28 days: 420 kg/cm2
