Thermoplastic rubber vulcanisate (TPV)

Alternative and trade names
Santoprene™, Dryflex®, Forprene®, PHOENIX™
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Thermoplastic Vulcanisate (TPV) compounds are high performance materials designed for demanding applications where improved durability, heat or fluid resistance are required. They are composed of a highly vulcanised rubber phase dispersed throughout a thermoplastic matrix and combine the processing ease, efficiency and recyclability of a thermoplastic with the improved flexibility, low compression set and resistance to aggressive fluids of a vulcanised rubber. They have seen strong growth in automotive seals, pipe seals, and other applications where a heat resistance of up to 135°C is required. Hardness values range typically from 45 Shore A to 50 Shore D. TPVs also lend themselves to underbonnet automotive applications where improved temperature and oil resistance is required. The main features are:

  • Service temperatures of -60°C to 135°C
  • Low compression set
  • Low flex fatigue
  • The Dryflex XL grades are easier to colour
  • Lightweight parts
  • Design flexibility
  • Recyclability
  • Excellent weathering and environmental resistance
  • Adhesion to PP and PE in multi-component applications
  • 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





    0.89 - 1.04 g/cm³

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    200.0 - 750.0 %

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    Coefficient of thermal expansion

    5e-05 - 8e-05 1/K

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    Max service temperature

    130.0 - 135.0 °C

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    130.0 - 135.0 °C

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    Melting point

    220 °C

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    UL 94 HB



    Dielectric constant

    3.5 [-]

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    4 [-]

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    Electrical resistivity

    50000000000000.0 - 5000000000000000.0 Ω·m

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    Technological properties

    Application areas

    Gaskets, air induction system ducts, bumpers, automotive plugs, speaker surrounds


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    Processing methods

    Injection molding, blow molding, extrusion, thermoforming, calandering