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The addition of gypsum to cement is done to reduce the rate of the initial setting of the cement and to improve its workability. It also acts as a retarder, allowing more time for the concrete to be mixed, placed and finished before it starts to set.
The addition of gypsum to cement is done to reduce the rate of the initial setting of the cement and to improve its workability. It also acts as a retarder, allowing more time for the concrete to be mixed, placed and finished before it starts to set.
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