| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hydraulic fluid composition for a refrigerating machine, containing a refrigerant lower in global warming potential than HFC-134a, and enabling the thermal/chemical stability and refrigerant compatibility of a refrigerating machine oil to be compatible with each other. <P>SOLUTION: The hydraulic fluid composition for a refrigerating machine comprises an aromatic compound having alkyl or alkylene group(s) bound to its aromatic ring and a tetrafluoropropene refrigerant and/or a methane trifluoride iodide refrigerant. <P>COPYRIGHT: (C)2009,JPO&INPIT |
