FIELD: production of thermal and sound insulation pieces. SUBSTANCE: method of production of thermal and sound insulation pieces provides for alignment of 100 mass shares of frothed particles of alkaline metal silicate with molar ratio of SiO2:M2O equal to 2.0 - 4.5 with water solution of monoalumophosphate with Si : Al molar ratio in produced mixture equal to 1 - 60; placement of produced mixture in formwork, its compaction to 20 - 80 % of initial volume with following thermal treatment under temperature of 100 -500 C to ensure engagement of alkaline metal silicate particles with monoalumophosphate and hardening. EFFECT: increased production. 6 cl
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