| 摘要 |
PURPOSE:To obtain a working fluid which does not affect the ozonosphere and has an improved coefficient of performance by mixing trifluoromethane, trifluoroethane, and tetrafluoroethane. CONSTITUTION:At most 50wt.% trifluoromethane is mixed with at most 80wt.% trifluoroethane and 20-95wt.% tetrafluoroethane. |
