FIELD: manufacturing technology.
SUBSTANCE: invention relates to production of refractory, heat insulation and electric insulating materials, specifically to production of mica of sodium fluorophlogopite. Mica is obtained by mixing components of charge to obtain a homogeneous mixture. Charge for smelting mica contains sodium hydroxide, periclase, aluminium fluoride, quartz sand and alumina.
EFFECT: higher quality of mica due to reduction of impurities and preventing release of carbon dioxide into atmosphere.
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