Why 2 gypsum is added in the cement?

Answer 1

The construction industry uses both the natural and the synthetic forms of gypsum in Portland cement manufacturing. Although the amount of gypsum used in the mix represents a small percentage of the volume of all ingredients, gypsum has important functions.

Answer 2

Gypsum is added to cement to control the setting time of the cement and prevent early hydration, which can affect the workability of the concrete mixture. It also helps in preventing flash setting and cracking in the final concrete structure.

Answer 3

it has to be or else it would be all floppy

Answer 4

3% of gypsum is added to cement to "prevent the rapid setting of cement"

Answer 5

It has to be added to prevent rapid setting of cement

Answer 6

To prevent flash set, which weakens the concrete.

Answer 7

They add the gypsum to speed setting time. If it's not in there the cement will set slower--which, in some cases, is a good thing--but otherwise it won't affect the final product.

Answer 8

to speed the time of production