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What is effect of silica and alumina content on cement?

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Properties of cement compounds. The compounds contribute to the properties of cement in different ways : Tricalcium aluminate, C3A:- It liberates a lot of heat during the early stages of hydration, but has little strength contribution. Gypsum slows down the hydration rate of C3A. Cement low in C3A is sulphate resistant. read more

Silica and Alumina are two out of three main ingredients in cement and the general percentage is given below. The major ingredient of cement is Lime. Silica 17-25 %. Helps in maintaining the consistency and workability of concrete; Sufficient quantity of silica should be present in cement to dicalcium and tricalcium silicate. read more

(6) Other uses: high alumina cement (calcium aluminate powder) is the main raw material for the production of water purification agent its aluminum content of 53% or more, but also the production of inorganic granite (artificial marble) the main raw material, can also be used in the manufacturing of chemical industry Catalyst, antifreeze concrete, anti-neutron radiation concrete, casting model, spark plug, electrical switch arc hood and so on. read more

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