FIELD: casting. SUBSTANCE: proposed mixture contains (mass): aqueous solution of alkali metal silicate 2-5, acetates of ethylene glycol or glycerine as hardener 0.2-0.7, additive 0.25-1.25 and fireproof filler on the base of silicium dioxide the rest. Copolymer of maleic anhydride and styrene having SO3Na group in benzene ring which is saponified by aromatic amine is used as mentioned above additive. EFFECT: improves quality of desired mixture. 6 tbl
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