gypsum gypsum is added to cement in grinding process
When is Gypsum added in the cement ? In the manufacture process of cement, clinkers are formed. These cementclinkersare cooled down and added with small amount of gypsum. The mixture then sent to final grinding process. For ordinaryPortland cementit remains between 3 to 4% and in case of Quick setting cement it can be reduced up to 2.5%.
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