PPSU Solvay is offers excellent toughness and outstanding hydrolytic resistance. It resists attack from steam, boiling water and mineral acids

Radel polyphenylsulfone (PPSU) delivers the highest performance of our sulfone polymers. Our broad product slate offers an impressive selection of

transparent and opaque color and meets a wide range of performance, price and processing requirements.

Radel PPSU offers impact strength similar to polycarbonate (PC) and better chemical resistance than polyetherimide (PEI). It excels in high heat and humidity environments and provides operating temperatures around 200°C (392°F) and inherent flame retardant properties.