PORCELAIN MASS Russian patent published in 2008 - IPC C04B33/24 

FIELD: building.

SUBSTANCE: porcelain mass containing kaolin, clay refractory, barium oxide, zinc oxide, feldspar, quartz sand, alumina, broken porcelain, includes additionally perlite sand, at the following ratio of components, in mass %: kaolin - 23.0-25.0; clay refractory - 20.0-25.0; barium oxide - 2.0-3.0; zinc oxide - 2.0-3.0; feldspar - 23.0-27.0; quartz sand - 8.0-10.0; alumina - 2.0-3.0; broken porcelain - 5.0-7.0; perlite sand - 5.0-7.0.

EFFECT: reduction of temperature when roasting porcelain mass.

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