opc

Ordinary Portland & Portland Pozzolana Cement Portland Pozzolana Cement – PPC Cement:  Unlike Ordinary Portland Cement, Portland Pozzolana cement (PPC) is manufactured by combination of pozzolanic materials. Pozzolana is an artificial or natural material which has silica in it in a reactive form. Along with pozzolanic materials in specific proportions, PPC also contains OPC clinker … Read more Ordinary Portland Cement (OPC) & Portland Pozzolana Cement (PPC) | Differences