Thursday, May 26, 2011

about opc and ppc cement

OPC means Ordinary Portland Cement which contains mixture of portland clinker and Gypsum ground to a very fine powder.

PPC means Portland Pozzolana Cement. It is manufactured by blending a mixture of Ordinary Portland cement and Pozzolana materials such as Fly Ash, in proportions not less than 15% and not more than 35% by weight of cement. The fineness of PPC will be greater than OPC.

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