Polybutylene terephthalate Reinforced with 30% Glass Fibre (PBT+GF30)

Alternative and trade names
Ultradur®, Crastin®, Celanex®, Pocan®
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Description

Reinforced Polybutylene terephthalate with 30% glass fiber.


  • Very good stiffness and toughness
  • Wear resistance
  • Excellent surface finishes and good colourability.
  • It has an excellent electrical insulation characteristics and high arc-resistant grades are available.
  • Many flame retardant grades have UL recognition (class V-0).
  • It typically has high chemical and heat ageing resistance.
  • The good melt stability normally enables the recycling of properly handled production waste.
  • 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

    PropertyTemperatureValue

    Density

    23.0 °C

    1.47 - 1.56 g/cm³

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    Mechanical

    PropertyTemperatureValueComment

    Elastic modulus

    23.0 °C

    8 - 11 GPa

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    Elongation

    23.0 °C

    1.8 - 3.5 %

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    Impact strength, Charpy notched

    23.0 °C

    5 - 12 kJ/m²

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    Impact strength, Charpy unnotched

    23.0 °C

    40 - 70 kJ/m²

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    Tensile strength

    23.0 °C

    100 - 150 MPa

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    at 1.8-3.5% strain

    Thermal

    PropertyTemperatureValue

    Coefficient of thermal expansion

    23.0 °C

    2E-5 - 1E-4 1/K

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    Max service temperature, long

    150 °C

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    Max service temperature, short

    220 °C

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    Melting point

    220 - 225 °C

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    Specific heat capacity

    23.0 °C

    1500 J/(kg·K)

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    Thermal conductivity

    23.0 °C

    0.27 - 0.28 W/(m·K)

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    Flammability

    UL 94 HB

    Electrical

    PropertyTemperatureValue

    Dielectric constant

    23.0 °C

    3.5 - 4.5 [-]

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    Electrical resistivity

    23.0 °C

    1.00E+13 Ω·m

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    Optical

    PropertyValue

    Transparency

    no

    Technological properties

    Property
    Application areas

    windshield wiper arms, printed circuit boards, airbag ignition sensors

    Fillers

    30% Glass Fiber

    Processing methods

    Injection molding, extrusion