CERAMIC MIXTURE FOR MAKING FACING TILE Russian patent published in 2015 - IPC C04B33/13 

FIELD: chemistry.

SUBSTANCE: ceramic mixture includes, wt %: kaolin 55.6-59.0; quartz sand 20.0-22.0; calcined kaolin 3.0-5.0; elaeolite-syenite 4.5-5.5; bentonite 2.0-2.5; liquid glass 0.1-0.2; wollastonite 9.0-11.0; electrocorundum 0.1-0.2; carboxymethyl cellulose 0.1-0.2. The moulded tile is fired at 1180-1200°C. A glazing suspension layer is then deposited on the surface of the tile and second firing is carried out at 900-950°C.

EFFECT: high strength of the facing tile made from the ceramic mixture.

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