Volkswagen Golf Service & Repair Manual: Effects on metal
| In its pure state, refrigerant R134a is chemically stable
and does not attack iron or aluminium. |
| However, impurities such as chlorine compounds in the
refrigerant do attack certain metals and plastics. This can lead
to blockages, leaks and deposits on the air conditioner
compressor piston. |
|
|
|
| Critical temperature and critical
pressure |
| Up to a gas pressure of 39.5 bar positive pressure
(corresponding to a temperature of 101°C) the refrigerant R134a
remains chemically stable; however, above this temperature the
refrigerant decomposes (see Combustibility). |
|
In an enclosed container that is not completely full,
refrigerant evaporates as vapour at the surface in a quantity
sufficient to form an equilibrium between vapour a ...
Only very small amounts of water are soluble in liquid
refrigerant. On the other hand, refrigerant vapour and water
vapour mix in any proportion.
...
Other materials:
Aqua Premium system, blending system for 2-stage colours
Issued 04.2013
Product description/objectives
To attain visually perfect colour transition in blending
area or to adjacent parts such as wings or doors.
Technical data sheet
Substr ...
Infrared heater -VAS 6879
Designation:
Infrared heater -VAS 6879-
Product description:
The infrared heater is used to dry putty, filler, base coat,
top coat and clear coat on vertical or horizontal surfaces.
...
Changing bulbs in the halogen headlights
Fig. 234 In the engine compartment: covers
on the left front headlight ① dipped beam, ② main beam, side lights and daytime
running lights, ③ turn signal
First read and observe the introductory information
and safety warningsThe front headlight does not need to be removed when changing ...
© 2016-2026 Copyright www.vwgolf.org
Vapour pressure
Water content