Subject: Science
Cement is a mixture of fine grey powder of calcium silicate and calcium aluminate.
Slurry:
While manufacturing cement, the limestone and clay are first crushed in crushes and then grinned into powder.That powder mixed with water to obtain a paste is called slurry.
Cement clinkers:
While heating slurry in rotating kilin in 1600 degree Celsius, then it forms the red colored pea sized balls of calcium silicate and calcium aluminate called cement clinkers.
Note: 2 to 3% gypsum is added to cement to increase its setting time.
The name of the industrial chemicals formed by the mixture of Lime stone and special clay is cement.
Quick lime | Slaked lime |
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