Packaging

High Density Polyethylene (HDPE)

Alternative and trade names
Continuum™, Dowlex™, Purell®, Alathon®, Hostalen®, Lupolen®
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Description

High Density Polyethylene (HDPE), key features include:


  • Environmental stress crack resistance
  • High impact or impact modified with barrier properties
  • Good warpage properties
  • Properties

    General

    Density ρ

    0.94 - 0.96 g/cm³ at 20 °C

    Mechanical

    Elastic modulus E

    0.6 - 1.4 GPa at 20 °C

    Elongation A

    100 - 1000 % at 20 °C

    Impact strength, Charpy notched Ivnot

    6 - 50 kJ/m² at 20 °C

    Impact strength, Charpy unnotched Iunnot

    10 kJ/m² at 20 °C

    no break

    Max allowed stress σmax

    14 - 32 MPa at 20 °C

    at 8-12% strain

    Thermal

    Coefficient of thermal expansion α

    1.2E-4 - 2E-4 1/K at 20 °C

    Flammability

    UL 94 HB

    Max service temperature, long Tmaxlong

    70 - 80 °C

    Max service temperature, short Tmaxshort

    90 - 120 °C

    Melting point Tm

    126 - 135 °C

    Specific heat capacity cp

    2100 - 2700 J/(kg·K) at 20 °C

    Thermal conductivity λ

    0.38 - 0.51 W/(m·K) at 20 °C

    Electrical

    Dielectric constant εr

    2.3 - 2.5 [-] at 20 °C

    Electrical resistivity ρel

    1.00E+15 Ω·m at 20 °C

    Optical

    Transparency

    no

    Technological properties

    Application areas

    Fuel tanks, bottle cases, trash cans, gasoline canisters, beer crates, pipes, syringe plungers

    Processing methods

    Injection molding, blow molding, extrusion, compression molding

    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.