Ethylene propylene diene rubber (EPDM)

Alternative and trade names
Keltan®, Nordel™, Vistalon™, Dutral®
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Description

The key features are:


  • Ozone and UV resistance
  • Water and polar fluid resistance
  • Heat resistance up to 175°C
  • Low temperature flexibility
  • Elastic properties under compression
  • Excellent physical properties at high filler loadings
  • Outstanding electrical insulation
  • This material data has been provided by M-Base.

    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.

    Ashby charts

    Properties

    General

    PropertyValue

    Density

    0.85 - 1.4 g/cm³

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    Mechanical

    PropertyValueComment

    Elongation

    150.0 - 800.0 %

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    Tensile strength

    5.0 - 33.0 MPa

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    at 150-800% strain

    Thermal

    PropertyValueComment

    Coefficient of thermal expansion

    0.000165 - 0.0002 1/K

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    Max service temperature

    150.0 - 175.0 °C

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    Short

    140 °C

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    Long

    Specific heat capacity

    1800.0 - 2000.0 J/(kg·K)

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    Thermal conductivity

    0.15 - 0.26 W/(m·K)

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    Flammability

    UL 94 V2

    Electrical

    PropertyValue

    Dielectric constant

    2.35 [-]

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    Electrical resistivity

    10000000000000.0 - 1e+16 Ω·m

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    Optical

    PropertyValue

    Transparency

    no

    Technological properties

    Property
    Application areas

    Sealing profiles, O-rings, hoses, cable sheathing

    Processing methods

    Compression molding, extrusion, vulcanization