PPS is Widely Used For:

  • Semiconductor machinery components
  • Scientific instrumentation parts
  • Seals
  • Pump and valve components
  • Bearings and bushings (bearing grade)
  • Electrical components

Performance Characteristics: 

  • Outstanding chemical resistance
  • Resistant to hot water and steam
  • Strong and stiff
  • Can be used at elevated temperatures
  • Good dimensional stability
  • High dielectric strength

Common Brands:

  • Sustatron PPS
  • Tecatron®


Plastic material with excellent chemical and corrosion resistance at elevated temperatures

PPS is a chemical and corrosion resistant plastic material that is often used in applications involving exposure to corrosive chemicals at elevated temperatures. PPS has outstanding mechanical properties and it is resistant to hot water and steam. 

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SHEET Dimensions:
12 in x 12 in – 24 in x 48 in
0.375 in – 2 in
ROD Diameter:
0.375 in – 2.500 in
COLOR Natural

Length, width, thickness, and diameter tolerances vary by size, by manufacturer, brand, and grade. Custom sizes available upon request.

Tech Tip– PPS is often used as a lower cost alternative to replace PEEK at low to moderate temperatures.


Typical properties of PPS
Tensile strength psi D638 12,500
Flexural modulus psi D790 600,000
Izod impact (notched) ft-lbs/in of notch D256 0.5
Heat deflection temperature @ 264 psi °F D648 220
Maximum continuous service temperature in air °F   338
Water absorption (immersion 24 hours) % D570 0.02
Coefficient of linear thermal expansion in/in/°Fx10-5 D696 4.0

Values may vary according to brand name. Please ask your Curbell Plastics representative for more specific information about an individual brand.

Need more information about this material? Use our interactive plastic properties table