The NORYL family of modified PPE resins consists of amorphous blends of PPO™ resin (polyphenylene ether) and polystyrene. They combine the inherent benefits of PPO resin (affordable high heat resistance, good electrical properties, excellent hydrolytic stability and the ability to use non-halogen FR packages), with excellent dimensional stability, good processibility and low specific gravity. NORYL resins offer a good balance of mechanical and chemical properties, and may be suitable for a wide variety of applications.


  • High dimensional stability.
  • Low tendency to creep.
  • High thermo-stability.
  • High impact strength.
  • Good electrical characteristics over a wide frequency range.
  • High resistance to hydrolysis.
  • Self-extinguishing.


  • Not resistant to some hydrocarbons.


It can be precision machined for intricate components with tight tolerances and is one of the most commonly used engineering plastics for mechanical applications such as:

  • Electrical engineering.
  • Household utensils.
  • Gear wheels.
  • Shafts.
  • Parts in hydrolysis.

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