JEWELLER'S ENAMEL Russian patent published in 2012 - IPC C03C8/10 

Abstract RU 2440934 C1

FIELD: chemistry.

SUBSTANCE: invention relates to enamel compositions with opalescence effect, which can be used in making jewellery from noble metals. The enamel contains the following components in wt %: SiO2 - 38.46-40.29; PbO - 38.22-38.67; B2O3- 1.36-3.40; K2O- 11.38-12.92; As2O3 -2.52-3.61; SnO2-0.91-1.03; BaO - 1.82-2.07; ZnO - 3.46-3.93.

EFFECT: high coefficient of thermal expansion and low flow temperature of enamel.

1 tbl, 1 ex

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RU 2 440 934 C1

Authors

Spiridonov Jurij Alekseevich

Tsareva Elena Vladimirovna

Dates

2012-01-27Published

2010-06-10Filed