Grade of PPC cement

Why is the grade of PPC cement is not mentiond or defined as per Indian Standard" IS 1489-1991.

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arun.mbm

  • Jan 7th, 2009
 

Grade of PPC Cement ap per IS 1489 is equvilaent to
grade of OPC-33 (IS 8112).So it is not mandatory to write
the grade on bag.

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suresh T

  • Feb 4th, 2009
 

Portlandland Pozolana Cement is manufactured by blending a mixure of ordinary Portland Cement and Pozolana material such as fly ash not less than 15% by weight of cement. The finess of PPC will be greater than OPC. 

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UK Pani

  • Oct 28th, 2011
 

PPC= OPC43 Grade + 30-35% (either calcinated clay or Pozzolona)=> OPC 33 grade

so PPC has no grade that is equivalant to OPC 33.

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UK Pani

  • Oct 28th, 2011
 

you are correct even if by using micro pulverzsior.As the fly ash is a product non metal.

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Shankar

  • Dec 12th, 2011
 

Dear All,

There is no Grade for PPC Cement. In General we are following 33N/mm2 in 28 days. There is no separate Grade

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K M Shah

  • Jan 9th, 2012
 

33 Nper SQMM

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atul

  • May 26th, 2012
 

53 grade

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rupali anjikhane

  • Jan 20th, 2013
 

PPC does not have any grade, only OPC have a grade.

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Aravinda Reddy.G

  • Jan 28th, 2013
 

Since it is not an ordinary type of cement.Generally OPC cements are been used for construction with grades 33G,43G &53G

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Sanchit garg

  • Aug 10th, 2015
 

When we add fly ash to make PPC then its strength is not fixed.
More you do curing more you get strength, moment you stop curing strength will stop that place. Where as in OPC highest strength is fixed to a mark. that is why OPC has grading but PPC dosen't have.

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