Thermoplastic rubber vulcanisate (TPV)

Nombres alternativos y comerciales
Santoprene™, Dryflex®, Forprene®, PHOENIX™
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Description

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
  • Los datos sobre este material han sido proporcionados por M-Base.

    A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
    Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

    Ashby charts

    Propiedades

    General

    PropertyValue

    Densidad

    0.89 - 1.04 g/cm³

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    Mecánica

    PropertyValue

    Elongación

    200.0 - 750.0 %

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    Resistencia a la tracción

    at 200-750% strain

    Aplicaciones térmicas

    PropertyValue

    Coeficiente de dilatación térmica

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

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    Temperatura de fusión

    220 °C

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    Inflamabilidad

    UL 94 HB

    Eléctrico

    PropertyValue

    Constante dieléctrica

    3.5 [-]

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    4 [-]

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    Resistividad eléctrica

    50000000000000.0 - 5000000000000000.0 Ω·m

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    Óptico

    PropertyValue

    Transparencia

    no

    Technological properties

    Property
    Application areas

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

    Other

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    Processing methods

    Injection molding, blow molding, extrusion, thermoforming, calandering