Polyethersulfone (PES, Radel A)

Properties

Compare
Density
1.37 g/cm3, or 85.5 lb/ft3
Elastic (Young's) Modulus
2.5 GPa, or 0.36 106 psi
Flexural Strength (MOR)
Typical
125 MPa, or 18.1 103 psi
Glass Transition Temperature
220 °C, or 420 °F
Heat Deflection Temperature
At 1.82 MPa (264 psi)
200 °C, or 390 °F
Heat Deflection Temperature
At 455 kPa (66 psi)
210 °C, or 410 °F
Maximum Temperature
Typical Guideline
180 °C, or 350 °F
Maximum Temperature
No-Load Shape Stability
210 °C, or 410 °F
Maximum Temperature
Decomposition
Specific Heat Capacity
Conventional
1100 J/kg-K
Specific Heat Capacity
Volumetric
1500 103 J/m3-K
Speed of Sound
42 103 m/s, or 130 103 ft/s
Stiffness-to-Weight Ratio
Tensile
1.8 MN-m/kg
Strength-to-Weight Ratio
Flexural
91 kN-m/kg
Strength-to-Weight Ratio
Tensile, Ultimate
65 kN-m/kg
Tensile Strength
Ultimate
90 MPa, or 13 103 psi
Thermal Conductivity
Ambient
0.18 W/m-K
Thermal Expansion
20 to 100°C
50 µm/m-K
Water Absorption
After 24 Hours
0.25 %

See Also

Charles A. Harper (editor), Modern Plastics Handbook, 1999.


J. A. Brydson, Plastics Materials, 7th ed., 1999 (link).


Michael L. Berins (editor), SPI Plastics Engineering Handbook of the Society of the Plastics Industry, Inc., 5th ed., 2000.

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