GLAZE Russian patent published in 2008 - IPC C03C8/04 C04B41/86 

FIELD: ceramics, facing materials.

SUBSTANCE: invention relates to a glaze composition. Proposed glaze comprises the following components, wt.-%: SiO₂, 50.0-55.0; Al₂O₃, 25.0-32.0; TiO₂, 0.1-0.2; CaO, 0.8-1.5; MgO, 5.0-7.0; Na₂O, 0.4-1.0; K₂O, 1.0-2.0; ZnO, 3.0-4.0; BaO, 2.0-3.0; ZrO₂, 2.5-3.0, and SnO₂, 0.5-1.0. Invention provides enhancing thermal stability of glaze. Invention can be used for applying articles made of electrotechnical ceramics, facing tiles and dishware.

EFFECT: improved and valuable properties of glaze.

1 tbl