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• 14:30, 19 June 2024 Altilunium talk contribs created page Cement (Created page with "Portland cement consists of the following major compounds : tricalcium alumniate, tricalcium silicate (alite), dicalcium silicate (belite), tetracalcium aluminoferrite and gypsum. == Reactions == When water is added to cement, the following series of reactions occur * The '''tricalcium aluminate''' reacts with the '''gypsum''' in the presence of '''water''' to produce '''ettringite''' and heat (▲H = 207 cal/g). Ettringite consists of long crystals that are only stab...")