OPC 42.5 cement

Detailed Product Description wecan offercement according to GB175-2007 Ordinary Portland Cement P.O 42.5 Packing:50kg/bag, and 40bags in one2MTJumbo bag. or as your reference. (1) Grade: P.O.42.5 (2) LOI: 5.0% max. (3) SO3: 3.5% max. (4) Mgo: 5.0% max. (5) Cement fineness: 10.0% max. (6) Initial setting time: 45 min. (7) Final setting time: 600 min. (8) 3-day bending strength: 4.0MPa min. (9) 3-day compressive strength: 21.0MPa min (10) 28-day bending strength: 6.5MPa min. (11) 28-day bending strength: 42.5MPa