CERAMIC BODY Russian patent published in 2001 - IPC

FIELD: ceramic industry, more particularly manufacture of porcelain products. SUBSTANCE: porcelain body comprises wt %: Kaolin, 40-41; white burning clay, 9.5-10; quartz sand, 0.1-13; permatite, 24-25; alumina, 0.1- 2; crushed porcelain products, 6-7; quartz concentrate, 3-17.8. Products are molded by slip casting method into gypsum or by plastic molding. Semiproduct is subjected to firing two times, namely bisque firing at temperatures from 850 to 900 C and products are then optionally glazed. Products are finally fired at temperature from 1240 to 1320 C. Said composition makes it possible to reduce firing temperature and improve mechanical strength and whiteness thereof. EFFECT: improved properties of the ceramic body. 3 tbl