GLAZING Russian patent published in 2014 - IPC C04B5/00 

FIELD: construction.

SUBSTANCE: glazing contains, wt %: yellow lead 40-45; ground glass 5-10; ground malachite 5-10; quartz sand 28-32; zinc oxide 3-7; calcium borate 5-10. Frost resistance of the glazing is 110-120 cycles. Components are mixed and melted at temperature of 1430-1490°C. The suspension is applied in the form of a thin layer onto the surface of annealed ceramic products and annealed for the second time at temperature of 1100-1180°C.

EFFECT: increased frost resistance of glazing.

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