FIELD: technology of silicates.
SUBSTANCE: the present innovation deals with compositions of glass applied, for example, for manufacturing the details of illumination engineering articles, sorting glassware, products of decorative-art indication. The innovation increases the coefficient of glass refraction. Glass contains, weight%: SiO2 55.0-60.0; K2O 5.0-10.0; B2O3 8.0-10.0; Se 0.1-1.0; BaO 1.8-2.4; PbO 16.0-18.0; CeO2 0.1-0.5; ZnO 4.0-5.0.
EFFECT: higher efficiency.
1 tbl
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