Polypropylene Reinforced with 30% Long Glass Fibers (PP+LGF30)

Alternative and trade names
Celstran®, Polyfort®, ALFACOM®
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Reinforced polypropylene with 30% long glass fiber. The key features are:

  • Outstanding mechanical properties such as high strength and stiffness combined with high heat deflection
  • The notched impact strength is increased at elevated and low temperatures due to the fiber skeleton built in the parts
  • The long fiber reinforcement reduces creep significantly
  • The very isotropic shrinkage in the molded parts minimizes the warpage
  • Complex parts can be manufactured with high reproducibility by injection molding
  • Depending on the grade: chemically coupled, heat stabilized, enhanced flow, UV stabilized
  • 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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    1.12 - 1.13 g/cm³

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    Elastic modulus

    5.8 - 7.5 GPa

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    2.2 - 3.0 %

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    Impact strength, Charpy notched

    20.0 - 30.0 kJ/m²

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    Impact strength, Charpy unnotched

    50 kJ/m²

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    75 kJ/m²

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    Tensile strength

    90.0 - 120.0 MPa

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    at 2.2-3% strain



    Melting point

    165 °C

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    Specific heat capacity

    1360.0 - 1410.0 J/(kg·K)

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    Thermal conductivity

    0.3 W/(m·K)

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    UL 94 HB





    Technological properties

    Application areas

    Structural parts for automotive, pump components, fan housings


    30% Long Glass Fiber


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    Processing methods

    Injection molding