Polyethersulfone (PESU)

Alternative and trade names
Ultrason®, Veradel®
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Description

It keeps stiffness and dimensional stability even when used at very high temperatures. It is used for molding high-quality engineering parts and highly stressed mass-produced articles. Good chemical resistance. Its key features include:


  • Excellent electrical properties
  • Transparent
  • heat deflection temperature
  • This material data has been provided by M-Base.

    "Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
    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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    Properties

    General

    PropertyValue

    Density

    1.36 - 1.37 g/cm³

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    Mechanical

    PropertyValueComment

    Elastic modulus

    2.6 - 2.8 GPa

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    Elongation

    30.0 - 80.0 %

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    Impact strength, Charpy notched

    5.0 - 8.0 kJ/m²

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    Tensile strength

    75.0 - 90.0 MPa

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    at 5-7% strain

    Impact strength, Charpy unnotched

    no break

    Thermal

    PropertyValue

    Coefficient of thermal expansion

    5e-05 - 5.5e-05 1/K

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    Specific heat capacity

    1100 J/(kg·K)

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    Thermal conductivity

    0.18 W/(m·K)

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    Flammability

    UL 94 V0

    Electrical

    PropertyValue

    Dielectric constant

    3.5 [-]

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    3.8 [-]

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    Electrical resistivity

    10000000000000.0 - 100000000000000.0 Ω·m

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    Optical

    PropertyValue

    Transparency

    yes

    Technological properties

    Property
    Application areas

    Connectors, coil cores, alkaline batteries, printed circuit boards, medical devices, membranes, headlight systems

    Processing methods

    Injection molding, blow molding, extrusion, coating