摘要 |
The invention relates to a composition comprising a lubricant based on polyol esters (POE) and a refrigerant F including at least 99.8 wt.-% 2,3,3,3-tetrafluoropropene, between 0.5 and 500 ppm 1,1,1,2,3-pentafluoropropene, between 0.5 and 500 ppm trifluoropropyne and between 1 and 1500 ppm compounds based on 2 or 3 carbon atoms optionally including an olefinic bond. |