Magnesia binder-based composition. RU patent 2290380.

FIELD: manufacture of building materials.

SUBSTANCE: invention is directed to preparing cast mixes for manufacturing finishing tiles and panels, stools, footsteps, and to manufacturing cast-in-place structures and floors as well as in production of dry mixes for performing indoor and outdoor finishing of buildings and constructions. Composition according to invention contains, wt %: caustic magnesite 10-30, active mineral additive 0.7-1.4, fine magnesium hydrosilicate 0.35-0.95, aqueous magnesium chloride (density 1.2-1.25 g/cm³) 30-35, sodium chloride 0.3-0.6, MeCl (Me = K+, L+, or NH₄+) 0.3-0.6, aggregate - the balance.

EFFECT: increased resistance to splitting of magnesia binder-based articles at suitable waterproofness and required strength.

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IPC classes for russian patent Magnesia binder-based composition. RU patent 2290380. (RU 2290380):

C04B28/30 - containing magnesium cements (magnesium oxide cements C04B0028100000)

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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