FIELD: manufacturing technology.
SUBSTANCE: phenolic resin based foam containing at least one compound selected from the group consisting of chlorinated hydrofluoroolefins and non-chlorinated hydrofluoroolefins, where the foam based on phenolic resin has a density of at least 20 kg/m3 and no more than 100 kg/m3, the phenolic resin-based foam has a proportion of closed pores of at least 80 % and not more than 99 %, and density and compressive strength at 10 % deformation of the foam on the basis of phenolic resin satisfy the ratio C≥0.5X-7, where C is the compressive strength at 10 % deformation in N/cm2 and X is the density in kg/m3.
EFFECT: foam based on a phenolic resin, which has a low environmental impact, high compressive strength, excellent processability during installation and low cost associated with reinforcement is proposed, along with a method for manufacturing thereof.
13 cl, 5 tbl
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