GLAZE Russian patent published in 2007 - IPC C03C8/12 

FIELD: facing materials, technology of silicates.

SUBSTANCE: invention relates to compositions of unfritted glazes. Proposed glaze comprises the following components, wt.-%: SiO₂, 62.0-64.0; Al₂O₃, 6.0-8.0; Fe₂O₃, 10.6-11.4; MgO, 1.0-2.0; CaO, 3.0-4.0; K₂O, 1.2-1.5; TiO₂, 8.0-10.0; Cr₂O₃, 3.0-4.0, and As₂O₃, 0.1-0.2. Invention provides enhancing thermal stability of glaze. Proposed glaze can be used for applying on facing slab, tiles and articles for economy-domestic designation.

EFFECT: improved and valuable property of glaze.

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