Question

Hii guys how r u. What is the role of gypsum in cement​

Answer 1

Answer:

here's your answer......

Answer 2

Answer:

For hydration purpose

Explanation:

Gypsum renders workability to mortar or concrete by keeping the cement in plastic state at early age of hydration. This is achieved by changing the course of hydration of calcium aluminate that manifests as retardation in cement hydration.Gypsum plays a very important role in controlling the rate of hardening of the cement. During the cement manufacturing process, upon the cooling of clinker, a small amount of gypsum is introduced during the final grinding process. Gypsum is added to control the “setting of cement”.