Table 1: Physical and mechanical properties of cement.

Grade Fineness
(%)
Consistency
(%)
Setting time (min) Compressive strength (MPa) Flexural strength (MPa)
Initial Final 3 days 28 days 3 days 28 days
P.O 42.5 4.7 28.5 142 229 26.1 49.4 4.97 8.64
P.O 52.5 2.0 28.9 145 233 36.3 57.7 6.45 8.74