Why PSU
PSU balances toughness, transparency and hot-water stability at a lower cost than PES, fitting food, medical and water-contact parts that must survive cleaning cycles.
Property profile
Heat
~160°C continuous
Toughness
Higher impact than PES/PEEK class
Hydrolytic
Good steam/boiling-water stability
Transparency
Natural translucent option
Applications
| Field | PSU parts |
|---|---|
| Food / beverage | Components, dispensers, filter housings |
| Medical | Sterilizable devices, connectors |
| Water | Membrane housings, fittings |
| Electronics | Insulators, carriers |
Frequently asked questions
What temperature can PSU take?
About 160°C continuous.
PSU vs PPSU?
PPSU is tougher and steam-stable to higher temp; PSU is lower cost for moderate duty.
Is PSU food safe?
Food/water grades are organized for contact duty; request the compliance file for your market.