Application area: General industry

General facts

Polyphenylene oxide (Noryl 731)

Shortening: PPO

Color: Blue-gray

Coloring options: Extensive

Common uses: In the automotive industry, as well as components such as pumps, impellers.


  • Dimensionally stable, heat-resistant and hydrolyz-resistant.
  • Self-extinguishing and is rated V0 according to UL-94.
  • High operating temperature.
  • Very low moisture absorption.
  • Dimensionally stable.
  • Good electrical insulator.
  • Hydrolysis resistant.
  • Low flammability.
  • Good creep strength.


  • Chemical sensitive, especially for aromatic and chlorinated aliphatic solvents.
  • Should not be used in dynamic applications.
  • Cannot be used continuously in temperatures above + 90 ° C – + 110 ° C.

Download documents

Material data sheet PPO