Solstice® ze is an energy-efficient, ultra-low GWP refrigerant alternative to R-134a in air-cooled and water-cooled chillers for supermarkets and commercial buildings, as well as in other medium temperature applications such as heat pumps, refrigerators, vending machines and CO2 cascade systems in commercial refrigeration. Its GWP of less than 1 is 99.9% lower than R-134a.

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General Information

Item Specification
ASHRAE # R-1234ze
Class Hydro-fluoro-olefin (HFO)
Refrigerant Type Pure fluid
Typical Lubricant POE Oil
Substitutes R-134a
GWP <1

Physical Properties

Property Value
Chemical Name Trans-1,3,3,3-tetrafluoroprop-1-ene
Chemical Notation CF3CH=CHF
Appearance Colourless
Ozone Depletion Potential (ODP-R11=1) 0
Global Warming Potential rev 5th IPCC (GWP CO2=1) <1
ASHRAE Std. 34 Safety Classification A2L
Flammability Limits – ASTM E681-04 @ 21ºC Non Flammable
Flammability Limits – ASHRAE 34 @ 100ºC 7% – 12% (by volume)
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