REFRIGERATOR OIL COMPOSITION FOR CARBON DIOXIDE REFRIGERANTS

摘要

PROBLEM TO BE SOLVED: To provide a refrigerating machine oil composition that is highly stable when used with a carbon dioxide refrigerant and exhibits enough lubricity without increasing viscosity of a base oil. SOLUTION: The refrigerating machine oil for a carbon dioxide refrigerant comprises a specific base oil and thiophosphoric acid ester. COPYRIGHT: (C)2008,JPO&INPIT