FIELD: chemistry.
SUBSTANCE: invention relates to the technology of silicates and relates to production of glass used in production of smalt. The mixture contains the following in wt %: soda 31.0-34.0; quartz sand 42.0-63.0; fluorspar 2.0-6.0; dry galvanic sludge 1.0-21.0. The glass has melting temperature 1250-1300°C.
EFFECT: low melting temperature of the glass.
1 tbl
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