PEI, PSU & PPSU – High-Performance Plastics Ready from Stock
17.03.2025
At COMCO EPP, we supply high-quality PEI, PSU, and PPSU semi-finished products – including medical-grade PPSU – directly from stock.
These engineering plastics offer excellent heat resistance, dimensional stability, chemical resilience, and steam sterilization capability – making them ideal for critical applications across industries.
Our portfolio includes:
PEI (Polyetherimide)
Semi-transparent with outstanding dielectric properties and resistance to steam and vapour.
Applications: Microwave components, high-temperature insulators, steam systems
PSU (Polysulfone)
Amber-tinted, dimensionally stable and chemically resistant – ideal for food handling and lab environments.
Applications: Laboratory equipment, filtration, food industry, aerospace
PPSU (Polyphenylsulfone) & PPSU Medical Grade
Exceptional strength, sterilizability, and chemical resistance – also available as PPSU MG (Medical Grade) for healthcare needs.
Applications: Medical devices, plumbing, aerospace, filtration, membrane housing
Available as sheets and round rods – directly from our warehouse.
Let’s find the right material for your next challenge.
More contributions
COMCO EPP manufactures and supplies polyimide, the highest-performing thermoplastic in the range. Operating temperature range from -269 °C to +400 °C, high wear resistance, stable friction level and very good electrical insulation. Available in five grades.
COMCO EPP manufactures and supplies PPSU, the tough amorphous high-performance plastic with high thermal stability, impact strength and resistance to repeated steam sterilisation. Available in an industrial grade and a medical grade.
COMCO EPP manufactures and supplies PSU, the translucent high-performance plastic with a characteristic amber tint. It combines heat resistance, creep resistance, radiation and sterilisation resistance and is approved for direct food contact.