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Mention the main compounds which constitute Portland cement.

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Mention the main compounds which constitute Portland cement.

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The main compounds present in Portland cement are-

(i) Dicalcium silicate (Ca2SiO4) - 26%

(ii) Tricalcium silicate (Ca3 SiO4) -51%

(iii) Tricalcium aluminate (Ca3 Al2 O6) -11%

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