TERMIUM Plus®

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calcium hemihydrate [1 record]

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Record 1 2011-03-21

English

Subject field(s)
  • Binders and Mastics (Constr.)
CONT

The two phases that present a rapid hydration and consume a substantial amount of water are calcium hemihydrate (plaster of Paris) that could form during the dehydration of a certain amount of gypsum during the grinding and the interstitial phase in which C3A and C4AF react with gypsum to give ettringite.

French

Domaine(s)
  • Liants et mastics (Construction)
CONT

Les deux phases, dont l'hydratation rapide consomme une quantité appréciable de molécules d'eau, sont, d'une part, l'hémihydrate de calcium (plâtre) qui a pu se former lors de la déshydratation d'une certaine quantité de gypse dans les broyeurs et, d'autre part, le C3A et le C4AF dont la réaction avec le gypse conduit à la formation d'ettringite.

Spanish

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