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Chemical additive for cement concretes and building mortars. RU patent 2290374.

FIELD: manufacture of building materials.

SUBSTANCE: invention proposes composition of chemical additive for cement concretes and is pretended for use in construction of reinforced-concrete installation. Additive, in particular, contains 5.0-10.0% sodium chloride, 20.0-40.-% potassium carbonate, and sodium sulfate - the rest.

EFFECT: increased strength in early solidification phases under heat-moisture treatment of reinforced-concrete parts and reduced consumption of additive.

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IPC classes for russian patent Chemical additive for cement concretes and building mortars. RU patent 2290374. (RU 2290374):

C04B22/08 - Acids or salts thereof
C04B103/14 - 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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