DM20 (PE-UHMW)

Alternative and trade names
Dyneema®
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Description

The UHMWPE fiber from DSM Dyneema is a gel-spun, multi-filament fiber produced from ultra high molecular weight polyethylene, with main characteristics:


  • High strength
  • Low weight
  • Low elongation at break
  • Resistance to most chemicals
  • 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

    Density

    20.0 °C

    0.97 - 0.98 g/cm³

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    Limiting oxygen index

    20.0 °C

    20 %

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    min.

    Mechanical

    PropertyTemperatureValue

    Compressive strength

    20.0 °C

    0.1 MPa

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    Compressive strength, transverse

    20.0 °C

    0.1 MPa

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    Elastic modulus

    20.0 °C

    94 GPa

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    Elastic modulus, transverse

    20.0 °C

    3 GPa

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    Elongation

    20.0 °C

    3 - 4 %

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    Tensile strength

    20.0 °C

    3100 MPa

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    Tensile strength, transverse

    20.0 °C

    30 MPa

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    Thermal

    PropertyTemperatureValue

    Coefficient of thermal expansion

    20.0 °C

    -1.2E-5 1/K

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    Melting point

    300 °C

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    Specific heat capacity

    20.0 °C

    1850 J/(kg·K)

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    Thermal conductivity

    20.0 °C

    20 W/(m·K)

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    Thermal conductivity, transverse

    20.0 °C

    0.2 W/(m·K)

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    Electrical

    PropertyTemperatureValue

    Dielectric constant, 10GHz

    20.0 °C

    2.25 [-]

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    Dielectric strength

    20.0 °C

    900 kV/mm

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    Electrical resistivity

    20.0 °C

    1.00E+14 Ω·m

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    Loss factor

    20.0 °C

    2E-4 [-]

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    Optical

    PropertyTemperatureValue

    Birefringence

    20.0 °C

    0.06 nm/cm

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    Refractive index

    1.59 [-]

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    Technological properties

    Property
    Application areas

    Deep water mooring lines, Standing rigging ropes