FIELD: domestic, trade and industrial equipment. SUBSTANCE: composition comprises, vol.%: pentafluoroethane, 15-70; heptafluoropropane, 20- 70; one of compounds selected from group consisting of propane, butane, isobutane, difluoroethane, hexafluoropropane, tetrafluoroethane, octafluorocyclobutane, 1-20. Mixed cooling agent is more universal and promising than those known in the art, particularly cooling agent 12 widely used in refrigeration industry. EFFECT: improved composition of the cooling agent. 3 tbl
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Authors
Dates
1999-08-27—Published
1997-12-10—Filed