REFRIGERATING MACHINE OIL COMPOSITION

摘要

A refrigerating machine oil composition which comprises (A) an alicyclic polycarboxylic acid ester compound having an alicyclic ring and at least two ester groups which are represented by the following general formula (1): -COOR<1> and at least two of which are bonded respectively to carbon atoms adjacent to each other on the ring (wherein R<1> represents a C1-30 hydrocarbon group and R<1>s of all the ester groups may be the same or different) and (B) at least one epoxy compound selected from the group consisting of epoxy compounds of the glycidyl ester type and alicyclic epoxy compounds.