DRY MIXTURE FOR FIRE-PROTECTIVE COATING Russian patent published in 2018 - IPC C04B41/50 C04B28/04 C04B111/28 

FIELD: construction.

SUBSTANCE: invention relates to construction. Dry mixture for fire retardant coating contains, by weight: Portland cement brand 400 30.0–45.0; lightweight aggregate of expanded siliceous fractions 0.5–1.25 mm 15.0–35.0; unburned siliceous rocks in the form of fraction granules 1.0–2.0 mm 3.0–9.0; unburned crushed siliceous rocks with a particle size of less than 100 mcm 15.0–21.0; basalt fiber and / or asbestos 0.5–1.5; modified sodium lignosulfonate 2.0–8.0; aluminum trihydroxide and / or magnesium hydroxide 3.0–8.0.

EFFECT: increase of fire resistance, thermal insulation resistance, water resistance and frost resistance of coating, simplification of coating technology: possibility of coating without a reinforcing mesh, the exclusion of a preliminary primer, the drying of the applied coating.

1 cl, 2 tbl