| 摘要 |
PURPOSE:To accelerate the return of a refrigerator oil to a compressor by mixing 1,1,1,2-tetrafluoroethane (R134a) with a specified organic solvent in a specified ratio. CONSTITUTION:R134a is mixed with 5-20wt.% organic solvent having a boiling point of -10 to +40 deg.C and a freezing point of -90 deg.C or below. |
