what is grading of cement.?

cement Grading as per bis on strength

2006-06-11 00:48:44 · 1 answers · asked by ashutos M 1 in Social Science ➔ Other - Social Science

1 answers

"Ordinary Portland Cement (OPC) is classified into 3 grades, viz. 33, 43 & 53 grades

Composition:

OPC is produced by inter-grinding clinker with gypsum (approx. 3 to 4%)

BIS permits addition of only upto 1% additive in OPC"

2006-06-11 11:53:04 · answer #1 · answered by alpha 7 · 1⤊ 0⤋

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