Volkswagen Polo Service & Repair Manual: Refrigerant R134a Physical Data
|
| Chemical formula | CH2F–CF3 or CF3–CH2F |
| Chemical designation | Tetrafluoroethane |
| Boiling point at 1 bar (14.5 psi) | -26.5 °C (-15.7 °F) |
| Solidification point | -101.6 °C (-150.88 °F) |
| Critical temperature | 100.6 °C (213 °F) |
| Critical pressure | 40.56 bar absolute (588 psi) equals 39.5 bar pressure (573 psi) |
Critical Point
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as ref ...
Other materials:
Winter tires
M+S-Symbol
On “M-and-S-tires”, the tread pattern, tread compound or
type are designed such that the handling characteristics in snow
are improved compared to a normal tire. This is especially true
when initiating or maintaining vehic ...
Windscreen wiper functions
First read and observe the introductory information
and safety warnings
Windscreen wiper response in various
situations:
When the vehicle is stationary.
When switched on, the wipers will temporarily be switched
to the next setting down.
Whil ...
Information stored in the control units
First read and observe the introductory information
and safety warningsYour vehicle is factory fitted with electronic control
units which are responsible for engine and gearbox management. The control units
also monitor the function of the exhaust system and the airbags.
These electronic con ...
