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Difference between car air conditioning refrigerant r134a and hfc-134a
2018-09-20
R134a
Molecular formula: CHF2CHF2 (tetrafluoroethane) ，Molecular weight: 102.03， Boiling point: -26.26 °C， Critical temperature: 101.1 °C ，Critical pressure: 4067kpa。
HFC134a
Molecular formula: CH2FCF3 (tetrachloroethane)，Molecular weight: 102.03，Boiling point: -26.1 °C， Critical temperature: 101.1 °C ， Critical pressure: 4010 kpa
As can be seen from the above, R134a and HFC134a are two different substances, but there is basically no difference in physical properties and they can be used interchangeably. Both R134a and HFC134a have a zero ODP value. R134a and HFC134a are mainly used in automotive air conditioning, domestic appliances, small stationary refrigeration equipment, medium temperature refrigeration in supermarkets, and commercial and industrial chillers.
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