COMPOSITION FOR THE MANUFACTURE OF WATERPROOF FACING GYPSUM PRODUCTS Russian patent published in 2022 - IPC C04B28/14 C04B111/20 C04B111/27 

Abstract RU 2787245 C1

FIELD: building materials.

SUBSTANCE: invention relates to compositions of raw mixes for the production of gypsum-based building materials and can be used in the production of finishing slabs and panels with a relief front surface, including 3D panels, as well as volumetric blocks and other elements of decoration and space modeling, both internal and exterior parts of buildings. The composition for the manufacture of waterproof facing gypsum products includes, wt.%: semi-aqueous gypsum grade G-5 B II 33.66-36.10, Portland cement 11.50-12.22, siliceous flask 2.90-3.10, polycarboxylate water-reducing additive "Polyplast PK" 0.24-0.27, tartaric acid 0.10-0.11, carbonate mineral filler 25.00-30.00, water 21.60-23.20, while the carbonate mineral filler contains, wt.%: screening of crushing of carbonate rocks 0-40 and mineral waste of soda production 60-100.

EFFECT: increasing the decorative properties of the front surfaces of products obtained from this composition, increasing the durability of products, utilizing screenings from crushing carbonate rocks and mineral waste from soda production.

2 cl, 1 tbl, 1 ex

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RU 2 787 245 C1

Authors

Fomina Natalya Nikolaevna

Gulak Aleksej Pavlovich

Strakhov Aleksandr Vladimirovich

Evstigneev Sergej Aleksandrovich

Dates

2022-12-30Published

2022-02-17Filed