ENAMEL COVER Russian patent published in 2007 - IPC C03C8/10 

FIELD: enamel cover compositions.

SUBSTANCE: invention proposes enamel cover comprising the following components, wt.-%: PbO, 40.0-50.0; K₂O, 6.0-8.0; ZnO, 3.0-5.0; B₂O₃, 8.0-12.0; Sb₂O₃, 0.1-0.2; Ag₂O, 0.4-0.8; Na₂O, 2.0-4.0; BaO, 8.0-12.0; CaO, 5.0-8.0; GeO₂, 1.0-2.0, and SiO₂, 10.0-14.5. Invention provides enhancing the refraction coefficient of the enamel cover. The proposed enamel cover is used for its applying on articles made of steel, alloys based on copper, silver, nickel and other metals.

EFFECT: improved and valuable properties of enamel cover.

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