Poly(butylene terephthalate) Reinforced with 20% Glass Fibers (PBT+GF20)

Alternative and trade names
Ultradur®, Crastin®, Celanex®, Pocan®, TECACOMP®, Arnite®, Raditer®, VYPET™
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Description

Reinforced Poly(butylene terephthalate) with 20% glass fiber. Depending on the grade, the key features are:


  • Improved laser-transparency, NIR-laser transparent coloring (black)
  • Flame retardant / halogen free flame retardant
  • Lubricated
  • Stiffness and toughness
  • Heat resistance
  • Friction and wear resistance
  • Excellent surface finishes and good colourability
  • 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

    1.4 - 1.54 g/cm³

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    Mechanical

    PropertyValueComment

    Elastic modulus

    6.0 - 10.0 GPa

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    Elongation

    2.5 - 4.5 %

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    Impact strength, Charpy notched

    5.0 - 20.0 kJ/m²

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    Impact strength, Charpy unnotched

    30 kJ/m²

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    70 kJ/m²

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    Tensile strength

    90.0 - 140.0 MPa

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    at 2.5-4.5% strain

    Thermal

    PropertyValueComment

    Coefficient of thermal expansion

    2e-05 - 0.00012 1/K

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    Max service temperature

    210 °C

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    Short

    Melting point

    220.0 - 225.0 °C

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    Specific heat capacity

    1500 J/(kg·K)

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    Thermal conductivity

    0.27 W/(m·K)

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    Flammability

    UL 94 HB

    Electrical

    PropertyValue

    Dielectric constant

    3.2 [-]

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    4.2 [-]

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    Electrical resistivity

    10000000000000.0 - 100000000000000.0 Ω·m

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    Optical

    PropertyValue

    Transparency

    no

    Technological properties

    Property
    Application areas

    Small-motor housings, headlamp frames, windshield wiper arms, toaster casings, sunroof frames, exterior mirrors

    Fillers

    20% Glass Fiber

    Other

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    Processing methods

    Injection molding, extrusion