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Ideal properties for refrigerant
They may be listed as a
- The high specific heat of vaporization
- High suction gas density
- Positively, but not excessive pressure, the boiling point and condensation conditions
- The critical temperature and the triple point are far beyond the operating range
- Chemically stable, compatible with construction materials and mixtures containing lubricants
- Non-corrosive, non-toxic and non-flammable
- High dielectric strength
- Environmentally friendly
- Low cost
Needless to say, none of the liquid has all these properties, and the choice of fluid for each specific application will always be a compromise.
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