Copolyester thermoplastic elastomer (TPC)

Alternative and trade names
Riteflex®, Arnitel®, Hytrel®
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Description

The main features are:


  • Performs over a temperature range of -40°C to +121°C
  • Very flexible with high-impact strength even at low temperatures
  • High mechanical strength
  • Good resilience
  • Highly resistant to chemicals and aging
  • Excellent surface gloss and good paintability
  • Easy and economical to process
  • Excellent wear resistance
  • No softening additives are required: chemical bonding of hard segments with soft segments; flexibility is intrinsic to the block copolymer structure
  • Applications possible at higher temperatures than TPE
  • 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.

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    Properties

    General

    PropertyValue

    Density

    0.9 - 1.28 g/cm³

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    Mechanical

    PropertyValueComment

    Elastic modulus

    0.045 - 0.55 GPa

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    Elongation

    150.0 - 900.0 %

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    Impact strength, Charpy notched

    10 kJ/m²

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    no break

    Tensile strength

    15.0 - 55.0 MPa

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    at 6-45% strain

    Thermal

    PropertyValueComment

    Coefficient of thermal expansion

    0.00013 - 0.00024 1/K

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    Max service temperature

    150 °C

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    Short

    100.0 - 120.0 °C

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    Long

    Melting point

    150.0 - 225.0 °C

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    Specific heat capacity

    1200.0 - 1500.0 J/(kg·K)

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    Thermal conductivity

    0.18 - 0.22 W/(m·K)

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    Flammability

    UL 94 HB

    Electrical

    PropertyValue

    Dielectric constant

    3.5 [-]

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    7 [-]

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    Electrical resistivity

    1000000000.0 - 100000000000000.0 Ω·m

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    Optical

    PropertyValue

    Transparency

    yes

    Technological properties

    Property
    Application areas

    Flexible membranes, hose jackets, gaskets, gears, bearings

    Other

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    Processing methods

    Injection molding, blow molding, extrusion, casting, thermoforming, calandering, coating, rotational molding