Answer / sjtbehera

OPC IS ordinary portland cement and PPC is Pozlana cement
cement. see cement used in concrete is fixed that is you
say 340 to 350 kg/cum. cement are in sane grade i.e 53. but
in PPC some amount slag are mix. so it takes some time to
hard than OPC. so curing period take more time to hard.

Answer / darshandachchu@gmail.com

for opc =10 days
for ppc=14 days

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