We present the history of development of the first three HFOs used commercially (1234yf, 1234ze and 1233zd) and their applications. A comparative summary is presented including information on thermodynamic properties, such as boiling points, vapor pressures, critical parameters; chemical properties, such as thermal and material compatibility; cooling performance; and Health, Safety, and Environmental properties, such as toxicity, flammability, and Global Warming Potential.  Some key points are brought forward on the pros and cons of the alternatives presented and the logic for selection criteria.<br/>

Development for fluorolefins for refrigeration

255th National Meeting (2018)

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