Quality Portland Cement

Chemical analysis: Items/ Indexes National Standard : Internal controlled indexes Cement MgO (%) : 5.0 3.80 Cement SO 3 (%) 3.5 2.30 Cement loss on ignition (%) : 5.0 - 2.01 Cement fineness (%) : 10.0 - 1.00 Setting time (min) : 45 - 190 Final setting time : 600 : 245 Strength(MPa) : 3-day compressive strength 24.0, 25.30 3-day bending strength : 4.0 - 5.1 28-day bending strength : 6.5 - 7.2 28-day compressive strength : 42.5 - 47.5