| 摘要 |
FIELD: construction.SUBSTANCE: invention relates to a gypsum product, in particular, to a composition for a gypsum panel, to a gypsum panel, method of their production and use of ascorbic acid as an additive for giving resistance to sagging of the gypsum panel. The specified gypsum panel contains set gypsum, produced from the composition; at the same time the specified composition contains gypsum hemihydrate, water and a compound containing groupand not containing carboxylate groups.EFFECT: increased resistance to sagging or deformation.33 cl, 3 tbl |
