FIELD: construction.
SUBSTANCE: gypsum composition includes gypsum and a deformation protection additive. The latter includes at least one compound chosen from a group that includes dehydroascorbic acid, dehydroascorbate and semi-dehydroascorbic acid.
EFFECT: resistance to bending under conditions of high humidity and temperature; increase of resistance of a gypsum product.
11 cl, 1 tbl
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