| abstract |
The present invention includes (A) a base oil comprising at least one selected from polyalkylene glycol, polyol ester, poly-α-olefin, alkylbenzene and mineral oil, and (B) an organic sulfur compound having a sulfur content of 35% by mass or less. And (C) a refrigerating machine oil composition containing a refrigerant composed of at least one selected from carbon dioxide, hydrocarbon and ammonia, wherein the total sulfur content is the total amount of component (A) and component (B) It is a refrigerating machine oil composition of 0.01 to 0.1% by mass, has no environmental problems such as destruction of the ozone layer or global warming, can maintain lubrication performance for a long period of time, and has capillaries in the refrigeration cycle. A novel refrigerating machine oil composition that does not clog is provided. |