the amount of gypsum usuallyin the manufacture of cement
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Answer / narendra
Gypsum (CaSO4. 2H2O) is 2 to 6 %
other componants are
Tricalcium silicate (Alite) 3 CaO. SiO2 about 55-60 %
Dicalcium silicate (Belite)2 CaO. SiO2 about 15-20 %
Tricalcium aluminate 3 CaO. Al2O3 ab 5-10 %
Tetracalcium 4 CaO. Al2O3. Fe2O3 ab..5-8 %
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Answer / akshaya
Generally lime is added in cement as calcium sulphate.
4 to 5 percent of total material used for making cement.
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