The present invention provides a refrigerating machine oil, a compressor oil composition, a hydraulic oil composition, a metalworking oil composition, a heat treating oil composition, a lubricating oil composition for machine tools and a lubricating oil composition which comprise a lubricating oil base oil having %CA of not more than 2, %CP/%CN of not less than 6 and an iodine value of not more than 2.5.
本发明提供了一种冷冻机油、一种压缩机油组合物、一种液压油组合物、一种
金属加工油组合物、一种热处理油组合物、一种机床用润滑油组合物和一种润滑油组合物,它们由润滑油基础油组成,基础油的%CA 不大于 2,%CP/%CN 不小于 6,
碘值不大于 2.5。