Write the raw material required for the manufacture of portland cement ?Why gypsum is added into it?
Answers
Answered by
2
Answer:
OK my dear
Explanation:
It is a fine powder, produced by heating limestone and clay minerals in a kiln to form clinker, grinding the clinker, and adding 2 to 3 percent of gypsum. ... The production of Portland cement contributes to about 10% of world carbon dioxide emission.
Similar questions