REFRIGERATOR OIL AND WORKING FLUID COMPOSITION FOR REFRIGERATOR

摘要

PROBLEM TO BE SOLVED: To provide a refrigerator oil which is used in a refrigeration system using an unsaturated fluorinated hydrocarbon refrigerant and has both of stability and wear resistance in high levels in the presence of the unsaturated fluorinated hydrocarbon refrigerant and to provide a working fluid composition for refrigerators.

SOLUTION: The working fluid composition for refrigerators contains: a base oil containing an ether compound; amine salt of acid phosphate; an amine-based antioxidant; and the unsaturated fluorinated hydrocarbon refrigerant. The refrigerator oil contains: the base oil containing the ether compound; the amine salt of acid phosphate; and the amine-based antioxidant and is used together with the unsaturated fluorinated hydrocarbon refrigerant.

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