FIELD: refrigeration engineering. SUBSTANCE: mixture containing 0.1-86.5 wt % sulfur hexafluoride and at least one compound selected form the following series: octafluoropropane, octafluorocyclobutane, and decafluorobutane is supplemented with, wt.-%: octafluoropropane, 36-99.9; octafluorocyclobutane, 13.5-99.9; decafluorobutane, 15-99.9; hexafluoroethane and/or tetrafluoromethane, to 30. EFFECT: ozone safety provided. 5 cl, 3 dwg, 1 tbl
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Authors
Dates
1997-10-10—Published
1993-09-29—Filed