Polyamide (PA) 6.6 plastic

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Application area: General industry

General facts

Polyamide

Shortening: PA

Color: White

Coloring options: Extensive

Common uses: Structural applications, bearings, gears, screws, propellers, tool shafts, door handles, machine covers, rifle butts, blocks and rolls.

  • Benefits
  • Restrictions

Benefits

The benefits of Polyamide 6.6 plastic

  • Higher abrasion resistance.
  • It is the strongest aliphatic nylon.
  • Unlike acetal, the addition of glass fiber improves stiffness considerably.
  • Low-temperature toughness.
  • Good fatigue resistance.

Restrictions

Limitations of Polyamide 6.6 plastic

  • Relatively difficult to process due to exceptionally low melt viscosity.
  • High water absorption, though less than PA 6.
  • Post mold shrinkage.
  • Weathering can cause color change and embrittlement unless suitably stabilized.

Polyamide 6.6 plastic – Specific properties

Polyamide 6.6, most typically referred to as nylon 66, is most common in textile and plastic industries. A few of the properties that make this type of plastic suitable for those two industries are:

  • The resistance to toughness and chemicals.
  • Good appearance.
  • Thermal stability.