What is OPC Cement
Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-specialty grout. It was developed from other types of hydraulic lime in England in the early 19th century by Joseph Aspdin and is usually made from limestone
OPC Cement Prices In South Africa
Which is costly OPC or PPC?
The cost of the products of PPC Cement varies between Rs 340 to Rs 370 for every bag from Jun 2021 to May 2022. The OPC cost is approximately 300 rupees for every bag and it is quite expensive in comparison to OPC. In PPC, the expensive clinker is used instead of pozzolanic material like fly ash.
Which is better cement OPC or PPC?
PPC has an edge over OPC as PPC has a slower rate of the heat of hydration. Thereby PPC is prone to fewer cracks & reduced shrinkage), better workability, and finishing (as fly ash-based cement is spherical in shape and finer in size).
What is the curing time of OPC cement?
7 days
The minimum curing time of OPC is 7 days and when exposed to hot and dry weather conditions the minimum curing period should not be less than 10 days As per ‘IS 456: 2000’ (Plain and Reinforced Concrete – Code of Practice),.