Published on: 29 June, 2022

Give the physical characteristics of 53 grade OPC.


OPC means Ordinary Portland Cement. If the 28 days strength is not less than 53 N/mm2. It is called as 53 grade cement as per IS: 4031-1988.

OPC 53 grade cement is manufactured as per specification laid down by ministry of railways under IRS:T40-1985. It is a very finely ground cement with high C3S content designed to develop high early strength.

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