Concrete in Rajasthan and Suppliers India
The grade 43 and 53 in cement mainly corresponds to the average compressive strength attained after 28 days 6724 hours in mega pascals Mpa of at least three mortar cubes area of face 50 cm squared composed of one part cement 3 parts of standard s and conforming to IS 650 1966 by mass and P/4 P is the