ORDINARY PORTLAND CEMENT CEM I 42.5N/R European Standard EN 197-1:2000 American ASTM C150 CHEMICAL COMPOSITION CHEMICAL ANALYSIS UNIT CONTROL RANGE SILICON DIOXIDE (SiO2) % 20.0 - 23.0 ALUMINIUM OXIDE (Al2O3) % 4.5 – 6.0 FERRIC OXIDE (Fe2O3) % 3.1 – 6.0 CALCIUM OXIDE (CAO) % 64.0 -68.0 MAGNESIUM OXIDE (MGO) % 1.0 – 5.0 SULPHUR TRIOXIDE (SO3) % 1.9 – 3.0 LOSS OF IGNITION (LOI) % 0.9 – 3.0 INSOLUBLE RESIDUE % 0.1 – 0.7 TRICALCIUM SILICATE (C3S) / % 50.0 – 60.0 DICALCIUM SILICATE (C2S) % 14.2 – 25.0 TRICALCIUM ALUMINATE ( Ca3Al) / % 6.0 – 9.5 TRIC. ALUMINO FERRICE (C4AF) / % 8.5 – 11.6 CHROMIUM (Cr) % 2.0Max PHYSICAL AND MECHANICAL PROPERTIES PHYSICAL ANALYSIS UNIT CONTROL RANGE BLAINE сm2/g 3.250 AUTOCLAVE EXPANTION Mm 0.02 NORMAL CONSISTENCY % 27.5 TIME OF SETTING (VICAT) INITIAL SET FINAL SET FITNESS INDEX min min cm2/gm ≥ 105 135 – 360 2800 – 3040 COMPRESSIVE STRENGTH 3 DAYS 7 DAYS 28 DAYS MPa MPa MPa 10.0 – 34.2 – 42.5 – 62.5 Упаковка- биг-бэг Корабельные партии CIF-С.Петербург Прямой контракт с производителем. |