The present invention provides compositions comprising pentafluropropane, a second component selected from the group consisting of decafluoropropane, perfluorobutyl mehtyl ether and combinations of these, and a third component selected from the group consisting of methanol, 1,2−trans−dichloroethylene and combinations of these. The present invention further provides for refrigerants, blowing agents, foam compositions, polyol premixes, closed−cell forms, sprayable compositions, and the like, comprising the present compositions.
