Specification of Ordinary portland cement 42.5:
Magnesia: ≤5.0%
Sulfur trioxide: ≤3.5%
Degree of fineness: ≤10.0%
Loss on ignition: ≤5.0%
Soundness: Qualified
Flexural rigidity: 3.5MPa @3days
6.5MPa @28days
Compressive strength: 16.0MPa @3days
42.5MPa @28days
Setting time (h: M): Initial setting time: ≥0: 45
Time of final setting: ≤10: 00
Our company specially deals with Ordinary Portland Cement, and is legal agent of cement factory.
Standard of cement: GB175-2007 (China)
Quantity available: 300, 000tons/month
