A/C Refrigerant R-134A, Properties

A/C refrigerant R-134a, properties

Commercial designation

The following designations are used and appear on component labels and factory tags:

- R-134a

- Tetrafluoroethane

- CH2F CF3

- H-FKW134a

- SUVA(R) TRANS A/C

- ARCION(R) 134a

Note:

R-134a refrigerant is packaged in different containers. One variation is SUVA(R) COLD MP, used only for commercial applications. This type of R-134a is sold in cylinders using a 1/4" flare fitting, which will not connect to the 1/2"-16 ACME fittings used on the vehicle and servicing equipment. Use only R-134a which come in containers having the correct type of service fitting.

Color

Refrigerant R-134a is colorless and is invisible as a gas. R-134a when viewed through the sight glass may appear milky due to the mixture of refrigerant and lubricating oil (PAG oil).