Phenol-formaldehyde Reinforced with 35% Wood Powder and15% Mineral Powder (PF+WD35+MD15), Type 31.5

Alternative and trade names
Bakelite®
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Description

Phenolic resin filled with 35% wood powder and 15% mineral powder having key features such as:


  • increased heat resistance
  • Very good surface
  • High rigidity
  • Dimensional stability
  • 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

    1.35 - 1.5 g/cm³

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    Mechanical

    PropertyValueComment

    Elastic modulus

    7.0 - 9.0 GPa

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    Elongation

    0.4 - 0.9 %

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    Impact strength, Charpy notched

    1.4 - 1.8 kJ/m²

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    Impact strength, Charpy unnotched

    4.5 kJ/m²

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    11 kJ/m²

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    Tensile strength

    50.0 - 70.0 MPa

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    at 0.4-0.9% strain

    Thermal

    PropertyValueComment

    Coefficient of thermal expansion

    3e-05 - 4e-05 1/K

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    Max service temperature

    180 °C

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    Short

    140 °C

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    Long

    Thermal conductivity

    0.3 - 0.4 W/(m·K)

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    Flammability

    UL 94 V1-V0

    Electrical

    PropertyValue

    Dielectric constant

    3 [-]

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    7 [-]

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    Electrical resistivity

    1000000000.0 - 100000000000.0 Ω·m

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    Optical

    PropertyValue

    Transparency

    no

    Technological properties

    Property
    Application areas

    Car electronics, terminal boards and baseplates, motor ignition systems

    Fillers

    35% Wood Powder and 15% Mineral Powder

    Processing methods

    injection molding, transfer molding, compression molding