High Density Polyethylene (HDPE)

High Density Polyethylene (HDPE)

High Density Polyethylene is a petroleum-based thermoplastic that is wear resistant and can have very high elongation before breaking. It is generally chemically resistant and can withstand rather high temperatures (120° Celsius for short periods).

Common Uses:

  • Beverage Industry: Caps and closures, milk jugs, refillable bottles.
  • Consumer Products: Laundry detergent bottles, folding tables, folding chairs, modern hula hoops.
  • Sporting industry: Portable basketball system bases, snowboard rails, and boxes.
  • Commercial uses: Fuel tanks for vehicles, plastic lumber, storage sheds, containment of certain chemicals, corrosion protection for steel pipelines, ballistic plates.
  • Pyrotechnics Trade: HDPE mortars are preferred to steel because they are more durable and much safer.

Physical Properties:

  • Specific Gravity - .96g/cm
  • Tensile Strength - 3980 psi
  • Flexural Strength - 156000
  • Impact Strength - 4.76 ft.-lb/in

General Properties:

  • Excellent processibilty
  • Good dimensional stability
  • Good creep
  • Some grades FDA approved
  • Good impact resistance
  • Good toughness
  • Food contact acceptable
  • Excellent mechanical properties
  • Excellent odor performance


  • Injection Molding
  • Extrusion

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