Polyethersulfone (PES)

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Polyethersulfone Characteristics

Polyethersulfone (PES) is a transparent, high-performance polymer known for its dimensional stability at high temperatures in both air and water.

At room temperature, PES is strong, rigid and ductile with excellent creep resistance. It offers good electrical properties and chemical resistance, and like Nylon, it is tough but notch sensitive.

PES is good for food and beverage processing, waste water recovery, and medical components.

Applications for Polyethersulfone

  • Get a QuoteElectrical/electronic applications
  • Float switches
  • Solenoid valve body
  • Dairy connectors
  • Manifolds
  • Petrie dishes

Contact a Dielectric Manufacturing knowledge expert to discuss the use of polyethersulfone (PES) for your application’s parts. Call 800-367-9122 or email sales@dielectricmfg.com.

Polyethersulfone Material Properties

Property Metricunits Englishunits 
General
Density1.37e3 - 1.46e3kg/m^30.0495 - 0.0527lb/ft^3
Mechanical
Yield Strength8.41e7 - 8.96e7Pa9.8 - 13.8ksi
Tensile Strength6.76e7 - 9.52e7Pa11.8 - 15.7ksi
Elongation0.06 - 0.8% strain6. - 80% strain
Hardness (Vickers)2.47e8 - 2.64e8Pa25.2 - 26.9HV
Impact Strength (un-notched)1.9e5 - 2e5J/m^290.4 - 95.2ft.lbf/in^2
Fracture Toughness1.14e6 - 2.26e6Pa/m^0.51.04 - 2.06ksi/in^0.5
Young's Modulus2.41e9 - 2.83e9Pa0.35 - 0.4110^6 psi
Thermal
Max Service Temperature150 - 180°C302 - 356°F
Melting Temperature°C°F
Insulator or ConductorInsulatorInsulator
Specific Heat Capability1.37e3 - 1.42e3J/kg °C0.327 - 0.34BTU/lb. °F
Thermal Expansion Coefficient9.7e-5 - 1.01e-4strain/°C53.9 - 56.1µstrain/°F
Eco
CO2 Footprint7 - 7.73kg/kg7 - 7.73lb/lb
RecyclableYesYes