Plastic Injection Molding with Nylon (Polyamide)

Few plastics combine the versatility, value and mechanical performance of nylon. Most frequently used in its nylon 6/6 and nylon 6 variations, nylon plastic injection molding is ideal for ultrasonic welding. This hydroscopic material must be properly dried to process and maintain its physical properties.

The most common forms of Nylon are the PA 6 and PA 66 versions.  Nylon has excellent strength, stiffness, heat resistance, wear resistance and lubricity, chemical resistance to hydrocarbon.  Nylon is a relative low cost to performance of engineering grade polymers.  Nylon is easy to process and can be reinforced with glass or carbon fiber to increase mechanical and thermal properties.

Texas Injection Molding processes nylon through standard injection molding procedures, forming it into thin- and thick-walled parts that demonstrate many attractive properties.

Properties of Nylon:

  • Tough, versatile, cost-effective engineering thermoplastic
  • Good balance of impact and tensile strengths
  • Good heat resistance
  • Excellent chemical resistance to hydrocarbons
  • FDA and U.L. grades available
  • Rigidity and strength increased with glass reinforcement
  • Nylon is hygroscopic (absorbs moisture from its surroundings)

Nylon is not biodegradable, but like most thermoplastics can be recycled and re-processed.

Nylon Plastic Injection Molding Uses:

Nylon is often used in clips, electrical connection bodies, gears, wheels, bushings, housings for power tools, firearms grips and stocks, automotive applications where hydrocarbons and higher temperatures are beneficial.  Nylon has been used in many applications to replace metal including:

  • Electrical and electronics
  • Hardware
  • Gears
    • Glass
    • Carbon-reinforced

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