PPSU (polyphenylene sulfone)
Thermally stable, flame-retardant, for sanitary applications

Corrosion resistant. Impact resistant. Dimensionally stable.
Longlite PPSU (Chang Chun Plastic, Taiwan) is a transparent to slightly amber-colored high-performance plastic with excellent heat and flame resistance. Outstanding resistance to hydrolysis, acids and chemicals is combined with high dimensional stability and creep resistance. Developed as a metal replacement for fittings and connection components that come into contact with hot water and superheated steam.
Key features at a glance:
- Transparent to slightly amber-colored appearance with high stability
- Very good flame retardancy and excellent heat stability
- High resistance to chemicals, hydrolysis and acids
- Outstanding impact resistance over a wide temperature range
Applications
Our product range covers the entire spectrum from standard types to specialized high-performance compounds that are precisely tailored to your requirements in sanitary, control technology and hybrid solutions . Find your product portfolio in the industry-relevant application segment.



A diverse raw material base
Our versatile product portfolio of PPSU grades is based on different raw material variants and covers a wide range of applications.
Primary raw materials
PPSU
Finding the right material. Step by step.
Everything you need to turn a concept into reality.
Our vision: Closed material cycles as the industry standard.
Our mission: Maximum sustainability with maximum performance.
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