Penetrating dry pack mortar for cold-weather concreting. RU patent 2379243.

FIELD: construction engineering.

SUBSTANCE: pack mortar contains, wt %: potash 1.0-2.0, cold binder C-3 0.08-0.16, industrial lignosulphonate - LST 0.48-0.96, sodium nitrate 0.24-0.48, calcium nitrate 0.35-0.70, sodium carbonate 0.2-0.4, sodium sulphate 0.2-0.4, calcium chloride 0.2-0.4, calcium hydroxide or carbide 0.45-0.9, rust solvent - K₄[Fe(CN)₆]·3H₂O 0.04-0.08, corrosion inhibitor Na₃PO₄ 0.04-0.08, plasterless Portland cement the rest.

EFFECT: manifold possibilities of using the penetrating dry pack mortar for waterproof coatings on concrete, reinforced-concrete and stone substrates at negative temperatures, for manufacturing of highly waterproof, cold-resistant and enduring products.

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IPC classes for russian patent Penetrating dry pack mortar for cold-weather concreting. RU patent 2379243. (RU 2379243):

C04B28 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements

C04B111/20 - LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS (devitrified glass-ceramics C03C0010000000); REFRACTORIES (alloys based on refractory metals C22C); TREATMENT OF NATURAL STONE

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