FIELD: chemistry.
SUBSTANCE: invention relates to the technology of silicates and production of glass, which can be used in making facing tiles, decorative and art and general-purpose articles. The mixture contains the following in wt %: soda 5.0-7.0; quartz sand 65.0-78.0; expanded pearlite 15.0-30.0. The mixture for making glass can additionally contain malachite in amount of 0.5-5.0 wt %. The glass has hydrolytic class I-II water resistance.
EFFECT: high water resistance of the glass.
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