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
  • Properties


    Density ρ

    0.97 - 0.98 g/cm³ at 20 °C

    Limiting oxygen index LOI

    20 % at 20 °C



    Compressive strength Rmc

    0.1 MPa at 20 °C

    Compressive strength, transverse Rs,trans

    0.1 MPa at 20 °C

    Elastic modulus E

    94 GPa at 20 °C

    Elastic modulus, transverse E

    3 GPa at 20 °C

    Elongation A

    3 - 4 % at 20 °C

    Tensile strength Rm

    3100 MPa at 20 °C

    Tensile strength, transverse Rm,trans

    30 MPa at 20 °C


    Coefficient of thermal expansion α

    -1.2E-5 1/K at 20 °C

    Melting point Tm

    300 °C

    Specific heat capacity cp

    1850 J/(kg·K) at 20 °C

    Thermal conductivity λ

    20 W/(m·K) at 20 °C

    Thermal conductivity, transverse λtrans

    0.2 W/(m·K) at 20 °C


    Dielectric constant, 10GHz εr,10GHz

    2.25 [-] at 20 °C

    Dielectric strength EDS

    900 kV/mm at 20 °C

    Electrical resistivity ρel

    1.00E+14 Ω·m at 20 °C

    Loss factor v

    2E-4 [-] at 20 °C


    Birefringence Δn

    0.06 nm/cm at 20 °C

    Refractive index nd

    1.59 [-]

    Technological properties

    Application areas

    Deep water mooring lines, Standing rigging ropes

    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.