| 摘要 |
PROBLEM TO BE SOLVED: To provide refrigerator oil capable of achieving oil return property and flame resistance, and an actuation fluid composition for refrigerator including the refrigerator oil.SOLUTION: Provided is the refrigerator oil including as base oil, alkylbenzene having 5% distillate temperature of 250°C or higher, and 95% distillate temperature of 460°C or lower, and being used with a slight combustible hydrofluorocarbon refrigerant.SELECTED DRAWING: Figure 1 |
