MAJOLICA COMPOUND (VARIANTS) Russian patent published in 2000 - IPC

FIELD: manufacture of ceramic war, preferably majolica ware of artistic and decorative and domestic purposes. SUBSTANCE: majolica compound comprises, wt %: 1st variant: river clay, 56.0- 64.0; Chasov Yar clay, 6.0-14.0; nepheline-syenite, 23.0- 26.0; quartz sand, 3.0-7.0, 2nd variant: river clay, 56.0-64.0; Chasov Yar clay, 6.0-14.0; nepheline-syenite, 17.0-23.0; quartz sand, 7.0-13.0; 3rd river clay 56.0- 64.0; Chasov Yar clay, 16.0-24.0; nepheline-syenite, 3.0- 7.0; quartz sand, 19.0-17.0; liquid glass higher than 100%, 0.1-0.3; calcined soda higher than 100%, 0.05-0.2. EFFECT: improved properties of the majolica compound. 7 cl, 3 tbl