Polyphenylenesulfide Fibre (PPS)

Polyphenylenesulfide Fibre (PPS)

The parent substances are p-dichlorobenzene and sodium sulphide. Their good resistance to hydrolysis, alkalies and acids makes them an alternative to PTFE fibres under certain conditions. They are easily oxidised at increased temperature 

Typical fields of application:

Specific properties
Temperature resistanceContinuous: 180 °C/Peak: 200 °C
Melting point280–290 °C
Spontaneous ignition500 °C
LOI-Value39–41 %
Density1,37 g/cm³
Moisture pick-up0,6 % at 65 % relative humidity and 21 °C
Resistance to hydrolysisExcellent
Acid resistanceExcellent
Alkali resistanceExcellent
Resistance to oxidationLimited
Resistance to solventsExcellent

KAYSER FILTERTECH GmbH