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Polyphenylene sulfide (PPS) offers the best chemical resistance with no known solvents below 392°F (200°C). it's low moisture absorption, good mechanical and excellent thermal resistance properties make PPS ideally suited for precise tolerance machined components.

Polyphenylene sulfide (PPS) is a semi-crystalline engineering thermoplastic. It is suitable for applications requiring thermal stability to 425° and structural integrity to 225°. A very low coefficient of linear thermal expansion, combined with stress-relieved manufacturing, make unfilled PPS ideally suited for precise-tolerance machined components. PPS is well suited for structural applications in corrosive environments or as a lower-temperature replacement for PEEK. Its low ionic impurities make it an excellent choice for applications where high purity is a concern.

Additional PPS grades are available, i.e., glass filled, glass/mineral filled, internally lubricated, and formulations within these grades which offer low friction, high limiting PVs, bearing strength, wear resistance, heat stability, increased impact strength and static control properties are available to meet various requirement levels. Contact an Emco Industrial Plastics representative who can help you choose the correct material to meet specific application demands.



Brand Names

  • Tecatron®
  • Ryton®
  • Fortron®
  • Polystone PPS
  • Sustatron®
  • Techtron®
  • Unitron®
  • Ensifide®
  • Hydlar® G (PPS/Kevlar® alloy)
  • Ensifide®

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative with the form below.

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At a Glance

Generic Name
Polyphenylene Sulfide

Available In
Sheet, Rod, Tube, Disc

FDA compliant

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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

Sheet 1/4″ – 3″ TH 12″, 24″ x 48″ Off-White, Black
Rod 1/4″ – 4″ DIA Std. foot lengths; CTS Off-White, Black
Tube 0.75″ – 10-1/2″ ID; various OD Std. foot lengths; CTS Off-White, Black

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.


Physical PropertiesUnitsASTMResults
Density lb/in3 D792 0.049
Water Absorption, 24 hrs % D570 0.01
Mechanical PropertiesUnitsASTMResults
Tensile Strength psi D638 13500
Tensile Modulus psi D638 500000
Tensile Elongation @Break % D638 15
Flexural Strength psi D790 21000
Flexural Modulus psi 400000 575000
Compressive Strength psi D695 21500
Compressive Modulus psi D695 430000
Hardness, Rockwell R D785 R125/M95
IZOD Impact Strength Notched ft-lb/in D256 0.6
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10^-5 in./in./°F) D256 2.8
Heat Deflection Temp at 264 psi °F 250
Max Operating Temp °F 425
Thermal Conductivity BTU-in/ft^2-hr-°F C177 2
Flammability Rating Flammability Rating V – O
Electrical PropertiesUnitsASTMResults
Dielectric Strength V/mil D149 540 @1/8″ th.
Dielectric Constant @ 1 MHzD150 D150 3
Dissipation Factor @ 1 MHz D150 0.0013
Volume Resistivity, 50% RH ohm-cm D257 4.5 x 10^16
NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.


  • Retainer rings in CMP machines
  • Semiconductor machine components
  • Bearings, bushings
  • Pump, valve, seal components
  • Electrical components


  • High chemical resistance
  • High temperature applications
  • Excellent dimensional stability
  • Essentially zero moisture absorption
  • Machines to tight tolerances


  • Glass filled
  • Glass/mineral filled
  • Internally lubricated
  • Carbon filled
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