FIELD: heat and hydraulic insulating materials protecting for instance, steel pipes. SUBSTANCE: expanded polymer- mineral composition includes polyisocyanate (component B), mixture of polyethers, foaming agent catalyst, stabilizer (component A) and mineral filler (component C) with the following amounts of components, wt.p.p.: component A 25- 29; component B 40-49; component C 80-112. EFFECT: provided products with improved thermal properties. 2 cl, 2 tbl
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