Clay-phosphate material. RU patent 2378221.

FIELD: construction.

SUBSTANCE: invention is related to the field of construction materials. Clay-phosphate material, which contains clay, iron-containing waste of metallurgical production on the basis of Fe(II) oxide with residue on sieve No. 008 5-7% and orthophosphoric acid with density of 1.25 g/cm³, contains blue Cambrian clay and additionally waste of sand from treatment and sandblast devices with residue on sieve No. 008 5…7% with the following composition, wt %: FeO - 7.0; Fe₂O₃ - 44.0; Al₂O₃ - 4.5; MgO - 6.0; CaO - 4.3; SiO₂ - 30.0; Cu - 0.6; Zn - 3.5; Pb - 0.1 at the following ratio of components, wt %: blue Cambrian clay - 57- 58, specified iron-containing waste - 11- 12, specified sand waste - 12- 13, orthophosphoric acid with density of 1.25 g/cm³ - the rest.

EFFECT: increased frost resistance of material.

1 tbl, 1 ex

IPC classes for russian patent Clay-phosphate material. RU patent 2378221. (RU 2378221):

C04B28/34 - containing cold phosphate binders

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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Clay-phosphate material / 2378220
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