Polyethylene terephthalate Reinforced with 30% Glass Fibre (PET+GF30)

Alternative and trade names
Rynite®, VYPET™
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Reinforced Polyethylene terephthalate with 30% glass fiber. The commen feature of this polymer family is:

  • Excellent balance of strength and srifness
  • Dimensional stability
  • Creep resistance
  • Heat resistance
  • High surface gloss
  • Good inherent electrical properties at elevated temperatures
  • 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

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    1.5 - 1.6 g/cm³

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    Elastic modulus

    9.0 - 11.0 GPa

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    2.0 - 3.0 %

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    Impact strength, Charpy notched

    7.0 - 14.0 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

    120.0 - 170.0 MPa

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    at 2-3% strain



    Coefficient of thermal expansion

    2e-05 - 9e-05 1/K

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    Melting point

    250.0 - 260.0 °C

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    Thermal conductivity

    0.29 W/(m·K)

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    UL 94 HB



    Dielectric constant

    3.7 [-]

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    4.8 [-]

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    Electrical resistivity

    10000000000000 Ω·m

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    Technological properties

    Application areas

    water pumps, structural housings, sprockets, lamp sockets


    30% Glass Fiber


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    Processing methods

    Injection molding