PPC is prepared by adding pozzolanic materials such as pozzolana to clinker, and gypsum.
Has higher strength than OPC over a longer period of time.
It has a slow hydration process and thus generates less heat than OPC.
More durable in aggressive weather.
Cheaper than OPC.
It is suitable for all types of construction work. For example reinforced concrete casting of buildings, wall plastering, layering, block making, precast concrete and other non-structural works.
It has higher resistance against alkalis, sulphates, and chlorides.
OPC is prepared from clinker and a slight addition of gypsum.
Initial strength is higher than PPC.
Generates more heat than PPC in hydration reaction which makes it less suitable for mass casting.
Less durable in aggressive weather.
Costlier than PPC.
It is suitable for specialized construction such a roads, bridges, dams, high-rise buildings, flyovers, railways. It is also used for making grout and mortars.
It has lower resistance against alkalis, sulphates, and chlorides.