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Eco-friendly HFO Refrigerants

Automotive refrigerant

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Opteon™ YF (R-1234yf)

This refrigerant, Opteon™ YF (R-1234yf) does not harm the ozone layer and has a low global warming potential (GWP)
It was developed to respond to European environmental regulation (EU Directive on Mobile Air Conditioning Systems, MACs), which requires new vehicles to use refrigerants with a GWP of less than 150.

Now that Opteon™ YF has established itself as the automotive refrigerant standard for major automakers around the world, 95% of new vehicles sold in Korea come with it.

Comparison of properties of HFO-1234yf and R-134a
ASHARE Number HFO-1234yf R-134a
Molecular Weight 103.5g/mole 102.03g/mole
Boiling Point, Tb -29.5℃ (-21.1℉) -26.1℃ (-14.9℉)
Critical Point, Tc 94.7℃ (202.5℉) 101.1℃ (213.9℉)
Liquid Density, kg/m3 (25℃ (77℉)) 1092kg/㎥ 1207kg/㎥
Ozone Depletion Potential (GWP) 0 0
AR5 Global Warming Potential 1 1300
ASHARE Safety Classification A2L A1