FIELD: construction.
SUBSTANCE: gypsum suspension comprises burnt gypsum, polycarboxylate disperser, water and at least one modifier to increase efficiency of specified polycarboxylate disperser, at the same time the modifier is a phosphonate or a silicate. Method to produce the specified gypsum suspension includes selection of a modifier to increase efficiency of the polycarboxylate disperser, mixing of burnt gypsum with the specified disperser, water and the specified modifier. A gypsum panel comprises at least one lining material and a gypsum core from the specified hydrated gypsum suspension.
EFFECT: increased fluidity of suspension without moderation of its setting time, increased strength of a panel produced with application of gypsum suspension.
13 cl, 5 ex, 5 tbl
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| FIRE-RESISTANT GYPSUM PANEL WITH LOW WEIGHT AND DENSITY | 2012 |
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