PPC cement used in hydraulic, maritime structures, construction along the coast and dam. Check out how is portland pozzolana cement made
The IS code number should be printed on the cement bag as a reference. If you ordered Portland Pozzolana Cement (PPC), the cement bags should have the ‘IS 1489-1991’ tag printed on them.

The strength of PPC cement is comparable to that of OPC 33 grade cement. As a result, it has a 330 kg per sq cm grade strength.
PPC is graded similarly to OPC in various parts of the world based on compressive strength at 28 days. PPC is similar to 33 grade OPC in terms of strength, according to Indian standards, while some brands of PPC are as good as 53 grade OPC.