| 摘要 |
PROBLEM TO BE SOLVED: To provide a mixture obtained by mixing HFC and HFO improved in lubrication performance.SOLUTION: Provided is a composition containing HFC and HFO, and containing, as 1) HFC, at least one kind selected from the group consisting of HFC-32, HFC-125, HFC-134a and HFC-134, as 2) HFO, at least one kind of HFO-1234yf and HFO-1234ze and, as 3) the third component, at least one kind selected from the group consisting of HCC-40, HCFC-22, HCFC-124, CFC-115, HCFC-1122, CFC-1113 and 1,1,1-trifluoropropyne.SELECTED DRAWING: None |
