DRY PLASTER MIX Russian patent published in 2022 - IPC C04B28/14 C04B38/02 C04B14/10 C04B14/18 C04B24/04 C04B103/30 C04B111/20 

FIELD: building materials.

SUBSTANCE: invention relates to the field of building materials, in particular, to the production of dry building mixtures for finishing works using continuously operating mixing pumps. To achieve the specified effect, in addition to the main components of gypsum, light aggregate - perlite, limestone flour, lime, setting retarder - tartaric acid, cellulose ether, air-entraining additive, starch ether, additionally fractionated quartz sand with a particle size of up to 0.4 mm and palygorsk clay of the Melzansky deposit with the following ratio of the components of the mixture.

EFFECT: obtaining a dry plaster mixture with high adhesion of its mortar and an extended setting time of the mortar, which can be used for plastering walls using continuously operating mixing machines.

1 cl, 3 tbl