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WACKER® AP 500 STAB
WACKER® AP 500 STAB Silicone fluid is a clear, brown colored polydimethylsiloxane with a high proportion of phenyl groups.
It is specially stabilized and has a particularly good thermal stability.
Properties
- heat transfer fluid
- pressure transfer fluid
For practical purposes, the useful temperature range of WACKER® AP 500 STAB is between -35 °C and +250 °C.
However, this presupposes that heat-stressing of the fluid occurs under "chemically pure" conditions.
Even trace amounts of acids, alkalis, mineral oils, organometallic compounds, metal salts or metal oxides can seriously reduce the service life.
The flash point of the silicone fluid may be changed by heat-stressing.
It is therefore particularly important in open systems to check the flash point at least once a year and more often if operating conditions demand.
Storage
The 'Best use before end' date of each batch is shown on the product label.
Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable.
In this case however, the properties required for the intended use must be checked for quality assurance reasons.
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