FIELD: chemistry.
SUBSTANCE: invention relates to the technology of silicates and production of glass which is used in making decorative and art products and smalt. The mixture contains the following in wt %: soda 25.0-30.0; quartz sand 58.0-67.9; fluorspar 7.0-10.0; copper oxide 0.1-2.0. The glass has melting temperature 1250 - 1300°C.
EFFECT: low melting temperature of the glass.
1 tbl
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