composition and heat transfer device, use of a composition, blowing agent, foamable composition, foam, sprayable composition, methods for cooling, heating and cleaning an article, for extracting a substance from biomass and a material, for retrofitting a transfer device heat, to reduce environmental impact, and to generate greenhouse gas emission credit, and, mechanical power generating device.
The invention provides a heat transfer composition comprising: (i) 1,3,3,3-tetrafluoroprop-1-ene (R1234ze, CF3CH&boxH；CHF) (ii) a second component comprising R-1243zf, (3,3,3 trifluoropropene) or a difluoropropene (R-1252) selected from R-1252zf, R-1252yf, R-1252ye R-1252ze and R-1252zc, and mixtures thereof； and (iii) a third component selected from R32 (difluoromethane), R744 (CO2), R41 (fluoromethane), R1270 (propene), R290 (propane), R161 (fluoroethane) and mixtures thereof.
