FIELD: chemistry of polymers. SUBSTANCE: composition comprises wt parts: polyether with molecular weight of 4500-600, 94.7-95; polyether with molecular weight of 200-300, 1-3-1.8; foam regulator, 0.4-0.5 bisdimethyl hexamethylene diaminequanidine catalyst, 0.05-0.2; and water, 2.8-3.0. Composition reduces apparent density and improves strength characteristics of foamed plastic. EFFECT: improved properties of the composition. 5 ex
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