| 摘要 |
PROBLEM TO BE SOLVED: To provide a composition obtained by mixing HFC and HFO improved in lubrication performance.SOLUTION: Provided is a composition containing HFC and HFO, and containing, as 1)HFC, HFC-125, as 2)HFO, at least one kind of HFO-1234yf and HFO-1234ze and, as 3) the third component, at least one kind of CFC-115 and 1,1,1-trifluoropropyne.SELECTED DRAWING: None |
