Nylon (PA) is a synthetic thermoplastic linear polyamide that was first produced in 1935 by American chemist Wallace Carothers who was then working at the DuPont research facility in Delaware. Nylon is used for many injection molded parts for vehicles and mechanical equipment. PA is often used in gears, bushings, and plastic bearings because of its inherent low-friction properties. PA’s high performance in mechanical/chemical/thermal properties make it a good choice for parts that are susceptible to a lot of wear.

Advantages of PA:

  • Exceptional strength
  • Resistant to abrasions and moisture absorptivity
  • Long lasting
  • Resistant to chemicals,
  • Elastic and easy to wash
  • Substitute for low strength metals

Disadvantages of PA:

  • Burns easily when exposed to open flame
  • Negatively impacted from UV exposure (Direct sunlight)


Melt Temperature 220°C (428°F)
Typical Injection Mold Temperature 54 - 93 °C (130 - 200 °F)
Heat Deflection Temperature (HDT) 160 °C (320 °F) at 0.46 MPa (66 PSI)
Tensile Strength 76 MPa (11000 PSI)
Flexural Strength 110 MPa (16000 PSI)
Specific Gravity 1.13
Shrink Rate 1.3 - 1.7 % (.013 - .017 in/in) 

*At standard State