Any proportion of mixture such as fireclay-silica-ganister mixture or fireclay mixed with crushed brick or fireclay–silica sand is known as refractory cement.[2]

In Refractory cement, a bulk refractor…

PPC (Portland Pozzolana Cement) is a variant of OPC (Ordinary Portland Cement.) These two type of cement differs from each other in terms of component, strength, heat generation, the percentage of sev…



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