FIELD: chemistry.
SUBSTANCE: invention relates to field of construction materials based on semi-aquatic gypsum, in particular, to construction mixes for decoration and masonry work, production of construction components and structures, as well as for decorative and finishing small-sized works. Gypsum mixture includes binding agent based on semi-aquatic gypsum and hollow microspheres, it also contains hollow microspheres with compression strength equal or higher than strength of binding agent, with the following content, wt %: binding agent based on semi-aquatic gypsum 40-90, hollow microspheres 10-60, mixing water - to obtaining paste of required density.
EFFECT: invention makes it possible to reduce density and increase strength of gypsum mixture.
4 cl, 3 tbl
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