Answer Posted / divusp

OPC based on lime content, PPC is based on fly ash content.
OPC is used in small structure as PPC is sued in larger structure. 
OPC less heat than PPC while chemical reaction.
PPC required more curing then OPC
PPC set quiker than OPC
PPC available more grades than OPC.
PPC eco frindly as it is manufacturing from waste fly ash.
finally for residential its recommended OPC
for commercial /dam like it is recommended PPC.

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