- high quality portland cement
- 2017-01-10 02:47
- Portland Cement GB175-2007 P.O 42.5DATE:ITEMSExamine dataMandatory TargetsStandardMgO(%)2.58Max5.0GB/T 176-1996SO3 (%)2.
- high grade portland cement
- 2017-01-10 02:47
- Portland Cement GB175-2007 P.O 52.5ITEMSExamine dataMandatory TargetsStandardMgO(%)Max4.0Max5.0GB/T 176-1996SO3 (%)Max3.