Polyphenylenether (PPE), also known by its trade name Noryl, is an amorphous thermoplastic with a high impact strength, low water absorption, and excellent dimensional stability. GEHR Noryl (PPE®) can operate within a temperature range of -58 °F to approximately +302 °F, offering high resistance to hydrolysis and a low tendency to creep. These properties make Noryl an excellent choice for applications in electrical engineering, among others.

Properties of Noryl (PPE®)

Noryl possesses a unique set of properties that make it ideal for various applications:

• High dimensional stability: Noryl maintains its shape and size, even under varying conditions, providing reliable performance.
• Low tendency to creep: Noryl’s resistance to creep ensures stability and durability over time.
• High thermostability: Noryl can withstand high temperatures, with an operating range of up to +302 °F.
• High impact strength: Noryl’s high impact strength provides durability, reducing the risk of damage from impacts or shocks.
• Good electrical characteristics over a wide frequency range: Noryl offers consistent electrical properties across various frequencies, making it ideal for electrical engineering applications.
• High resistance to hydrolysis: Noryl’s resistance to hydrolysis ensures durability in humid environments and applications involving water exposure.
• Self-extinguishing: Noryl’s self-extinguishing properties enhance safety in various applications.
• Not resistant to some hydrocarbons: Noryl may not withstand certain hydrocarbons, requiring careful consideration in specific applications.

Applications of Noryl (PPE®)

Given its unique properties, Noryl is used in a variety of industries and applications:

• Parts for electrical engineering: Noryl’s high dimensional stability and consistent electrical characteristics make it suitable for electrical engineering components.
• Household utensils: Noryl’s durability and resistance to hydrolysis make it ideal for various household applications.
• Shafts: Noryl’s high impact strength and dimensional stability make it suitable for shafts and similar components.
• Gear wheels: Noryl’s high impact strength and low tendency to creep make it suitable for gear wheels and similar mechanical parts.
• Parts in hydrolysis applications: Noryl’s high resistance to hydrolysis makes it suitable for applications involving water or moisture exposure.

Conclusion

GEHR Noryl (PPE®) is a high-performance thermoplastic with excellent dimensional stability, high impact strength, and good electrical characteristics across a wide frequency range. Its resistance to hydrolysis and low tendency to creep make it suitable for various demanding applications, from electrical engineering to household utensils and gear wheels. Despite its limitations with some hydrocarbons, Noryl remains a popular choice for industries requiring high-strength, reliable materials that can withstand a range of environmental conditions.