CERAMIC MASS Russian patent published in 2006 - IPC C04B33/00 

FIELD: construction industry; production of wall products.

SUBSTANCE: the invention is pertaining to field of construction industry and may be used for manufacture of the wall products including facial products (bricks, rocks). The technical result of the invention is an increased hardness of the kilned ceramic products, creation of the architectural nice appearance by elimination of mottles and superimposing the very small sparkling points on the surfaces of the wall products. The ceramic mass contains loamy clay, clay with the heightened content of sulfate and sulfite impurities (more than 2 mass % in terms of ion S₃ ^-2) and a finely dispersive refractory industrial waste - a mica-containing quartz sand - the waste of the coal mining, fractions of 0-0.315 mm with the share of the powder-like fraction of 0.014 mm -35 - 50 mass % at the following shares of the components (in mass %): the loamy clay - 72-80, the indicated clay - 10-17, the indicated quartz sand - 10-11. At that the indicated quartz sand contains: 95-98 mass % of quartz and 0.5-3 mass % of mica.

EFFECT: the invention ensures an increased hardness of the kilned ceramic products, creation of the architectural nice appearance by elimination of mottles and superimposing the very small sparkling points on the surfaces of the wall products.

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