MORTAR Russian patent published in 2017 - IPC C04B28/02 C04B24/24 C04B111/20 C04B111/34 

FIELD: construction.

SUBSTANCE: invention relates to mortar compositions and can be used for finishing, plastering and masonry works. The mortar contains a mineral binder, sand, additives and water. The mortar is a product of joint grinding of mineral binder, sand fraction below 5 mm and a mineral additive to the specific surface - 400-450 m²/kg. The mineral binder is cement clinker and lime flour, and the mineral additive is the mixture of tylose, vinnapas, PAA grade. Praestol flocculant, in the following ratio, wt %: cement clinker 50, sand 34-36, limestone flour (calcite) - 13-15, PAA - 0.1 tylose - 0.2 vinnopas 0.05-0.2, water - to obtain the desired mobility.

EFFECT: invention provides a mortar, which reduces shrinkage, peelability, increases strength and water retention, improves adhesion.

1 ex