Detailed Product Description We can supply Portland cement according to GB175-2007 Ordinary Portland cement P.O 42.5Packing: 50kg/bag, and 40bags in one 2MT Jumbo bag. or as your reference. Ordinary Portland cement Grade 42.5 N or R According to:• United States Standard ASTM C 150 or• British Standard BS 12/1996 . The origin of the COMMODITY will be from Russia, or at Sellers Option.