Poly(ether sulfone) PES

Alternative and trade names
PES, Victrex 200P
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Poly(ether sulfone) is a high performance thermoplastic of relatively low flammability. It offers amorphous, high-creep resistance and stable electrical properties over wide temperature and frequency ranges. Poly(ether sulfone) is transparent with good thermal and hydrolytic resistance.

This material data has been provided by Matmatch.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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23.0 °C

1.37 g/cm³

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Water absorption

23.0 °C

0.43 %

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Elastic modulus

23.0 °C

2.41 GPa

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Flexural modulus

23.0 °C

2.55 GPa

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Flexural strength

23.0 °C

128 MPa

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Hardness, Shore D

23.0 °C

88 [-]

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Impact strength, Izod notched, ASTM

23.0 °C

85.7 J/m

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Tensile strength

23.0 °C

82.8 MPa

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Coefficient of thermal expansion

23.0 °C

5.5E-5 1/K

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Glass transition temperature

224.85 °C

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Forced oscillation dynamic-mechanical analysis

Heat deflection temperature, 1.80 MPa

233.85 °C

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Max service temperature

217.85 °C

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Thermal conductivity

23.0 °C

0.18 W/(m·K)

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Dielectric constant

23.0 °C

3.5 [-]

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Electrical resistivity

23.0 °C

1.00E+15 Ω·m

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Refractive index

1.55 [-]

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Sound speed, longitudinal

23.0 °C

2260 m/s

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Technological properties

Application areas

Medical and household appliances that are sterilizable by hot air and steam such as corrosion-resistant piping. Also used in electric and electronic applications such as television components. Used as membranes for reverse gas streams and gas separation.