| abstract |
The present invention provides, in part, (a) about 60 wt% to about 70 wt% HFC-32; (b) about 20 wt% to less than about 40 wt% of unsaturated CF 3 -terminal propenes, unsaturated A heat transfer composition comprising: CF 3 terminal butenes, and a compound selected from combinations thereof; and (c) from greater than about 0% to about 10% by weight of n-butane, isobutane, and combinations thereof; And a method. [Selection] Figure 1 |