GLASS Russian patent published in 2007 - IPC C03C3/118 

FIELD: glass industry.

SUBSTANCE: invention relates to technology of silicates, namely, to glass compositions used in manufacturing facing tiles, dishware and articles for domestic-household designation. Proposed glass comprises the following components, wt.-%: SiO₂, 65.0-70.0; Al₂O₃, 2.0-3.0; Fe₂O₃, 1.0-2.0; CaO, 3.0-4.0; MgO, 3.0-4.0; TiO₂, 3.0-4.0; MnO, 0.5-1.5; K₂O, 0.5-1.5; B₂O₃, 7.0-10.0; ZnO, 3.0-4.0, and CaF₂, 3.0-5.0. Invention provides enhancing thermal stability of glass.

EFFECT: improved and valuable property of glass.

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