3M™ Dyneon™ (PTFE Granules TF 1620)

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Description

Semi-free-flowing suspension PTFE for moulding of large compression moulded sheets, shaped parts and isostatic moulded articles with reduced moulding pressure.


Special Features are:

  • Meets ASTM D 4894 Type IV, Grade 2 classification
  • Produced by suspension polymerisation
  • Moulding powder with semi-free-flowing properties
  • Reduced moulding pressure of 20 MPa
  • Good surface quality of isostatically moulded articles
  • Excellent chemical inertness
  • Low friction behaviour
  • Good flame retardance
  • Exceptional temperature resistance

  • Typical Properties:

    PTFE moulding powder with an average particle size of 220 μm which shows semi-free-flowing properties and requires a lower moulding pressure level compared to free-flowing type of products. The manufactured goods present good electrical and mechanical properties.

    This material data has been provided by Matmatch.

    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

    PropertyTemperatureValueComment

    Bulk density

    23.0 °C

    0.87 g/cm³

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    DIN EN ISO 60

    Density

    23.0 °C

    2.15 g/cm³

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    DIN EN ISO 12086

    Particle size

    220000 nm

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    ISO 13320, average value

    Mechanical

    PropertyTemperatureValueComment

    Elastic modulus

    23.0 °C

    0.6 GPa

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    DIN EN ISO 527

    Elongation

    23.0 °C

    400 %

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    DIN EN ISO 527-3, 0.2 mm film

    Hardness, Shore D

    23.0 °C

    56 [-]

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    DIN EN ISO 868

    Tensile strength

    23.0 °C

    38 MPa

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    DIN EN ISO 527-3, 0.2 mm film

    Thermal

    PropertyTemperatureValueComment

    Coefficient of thermal expansion

    100.0 °C

    1.2E-4 1/K

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    DIN 53 752, from 30°C to the mentioned temperature

    200.0 °C

    1.4E-4 1/K

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    DIN 53 752, from 30°C to the mentioned temperature

    260.0 °C

    1.7E-4 1/K

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    DIN 53 752, from 30°C to the mentioned temperature

    Thermal conductivity

    23.0 °C

    0.22 W/(m·K)

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    DIN 52612

    Flammability

    V-0 UL94

    Electrical

    PropertyTemperatureValueComment

    Dielectric strength

    23.0 °C

    74 kV/mm

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    DIN EN ISO 12086, 0.2 mm film

    Electrical resistivity

    23.0 °C

    1.00E+16 Ω·m

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    IEC 60093

    Surface resistivity

    23.0 °C

    1.00E+17 Ω/sq

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    IEC 60093

    Rheological Properties

    PropertyTemperatureValueComment

    Shrinkage

    23.0 °C

    2.9 %

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    Internal Dyneon method, Cylinder 45 mm diameter

    Technological properties

    Property
    Application areas

    3MTM DyneonTM PTFE Granules TF 1620 is a semi-free-flowing compression moulding powder for applications like large compression moulded sheets, isostatically moulded articles, shaped parts, thinner wall articles (like bellows etc.) and for skived films of > 200 μm.