FIELD: production of heat-insulation foamed polyurethane. SUBSTANCE: proposed foamed polyurethane is prepared by mixing polyol with isocyanate component. Mixture of krypton and xenon at volume ratio 27:2 is used as said polyol component. Mentioned above mixture of krypton and xenon may be used together with compound which are chosen of group comprising formic acid, argon, air, volatile hydrocarbons and water. EFFECT: improves efficiency of the method. 4 cl
