CERAMIC MIXTURE FOR MAKING CERAMIC BRICKS Russian patent published in 2010 - IPC C04B33/132 

FIELD: chemistry.

SUBSTANCE: invention relates to the industry of ceramic materials, mainly to compositions of mixtures for making bricks. The ceramic mixture for making ceramic bricks includes a clay portion of tailings from gravitation of zircon-ilmenite ore and a product from combustion of porphyrite-basalt mixtures for making mineral wool containing the following in wt %: SiO₂ - 52.1; Al₂O₃ - 19.3; Fe₂O₃ - 9.5; CaO - 7.3; MgO - 2.4; R₂O - 4.3, with the following ratio of components in wt %: clay portion of tailings from gravitation of zircon-ilmenite ore 70-90; product from combustion of porphyrite-basalt mixtures for making mineral wool 10-30.

EFFECT: increased frost resistance and heat resistance of the articles.

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