abstract |
Working fluid composition for refrigerating machine of the present invention contains the base oil containing ether based compound, the amine salt of phosphate ester acid, be selected from least a kind in the group be made up of amine system antioxidant, metal passivator and cycloaliphatic epoxy, unsaturated hydrofluoric ether refrigeration agent.In addition, refrigerator oil of the present invention and unsaturated hydrofluoric ether refrigeration agent together use, this refrigerator oil contains the base oil containing ether based compound, the amine salt of phosphate ester acid, is selected from least a kind in the group be made up of amine system antioxidant, metal passivator and cycloaliphatic epoxy. |