ORDINARY PORTLAND CEMENT GRADE 42.5R(GB175-99)

Standard Data
Magnesium Oxide(MgO) 5.0% Max
Sulphur Trioxide(SO3) 3.5% Max
Loss On Ignition(L. O. I.) 5.0% Max

Fineness
Residue Over Sieve 80u 10% Max
Initial Setting Max 45 Minutes
Final Setting Min 10 Hours
Compressive Strength 3days 21.0 Mpa Max
Bending Strength 3days 4 Mpa Max
Compressive Strength 28days 42.5 Mpa Max
Bending Strength 28days 6.5 Mpa Max