Category overview

Polysulfone (PSU)

Based on 444 products - Last update on the Nov 13, 2025

Polysulfone (PSU) appears as an amber to light brown, transparent thermoplastic with exceptional rigidity and dimensional stability. Key features include exceptional heat resistance, excellent hydrolytic stability, good resistance to acids and bases, inherent flame retardancy without additives, and superior resistance to radiation and steam sterilization. Polysulfone is used in medical devices, membrane filtration systems, food processing equipment, aerospace components, and electrical/electronic parts. 

The material serves as an alternative to polycarbonate and other high-performance thermoplastics like polyetherimide (PEI) and polyetheretherketone (PEEK). Recent innovations include composite grades, conductive formulations, and specialized medical grades with controlled biocompatibility for long-term implantable devices. Sub-types include standard PSU, polyethersulfone (PES), and polyphenylsulfone (PPSU).

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Ultrason® P 3010 BMB

by BASF

Ultrason® P 3010 BMB by BASF is a high viscosity, biomass‑balanced polyphenylsulphone (PPSU). It is produced using 100% green electricity through a resource-efficient manufacturing process. It helps achieve sustainability goals without compromising material performance, product quality, or requiring investment in new machinery. <br> <ul style="padding-left: 40px;"><li>It is made with 39% bio-circular feedstock, attributed and certified under ISCC PLUS. </li> <li>Offers excellent high-temperature stability, chemical resistance, toughness and long-term durability. </li> <li>Ultrason® P 3010 BMB is suitable for processing by injection molding and extrusion. </li> <li>It is designed for high performance household and catering, water and sanitary, medical technology, hydrogen production, electrics and electronics.</li></ul>
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Eviva® PSU

by Syensqo

Eviva® PSU by Syensqo is a high-performance, transparent polysulfone (PSU) polymer. It exhibits excellent biocompatibility enabling indefinite implantation, toughness, outstanding transparency for precise electrode placement, high mechanical strength, and superior processability for complex pacemaker components.<br> <ul style="padding-left: 40px;"><li> It provides excellent dimensional stability, weldability, impermeability to fluids, and chemical resistance, maintaining structural integrity and artifact-free MRI imaging.</li> <li> It is suitable for processing by injection molding.</li> <li> Eviva® PSU is used in implantable medical devices such as pacemaker headers, neurostimulation systems, and vascular access ports.</li> </ul>
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Duradex™ PPSU ECHO

by Syensqo

Duradex™ PPSU ECHO by Syensqo is an amorphous, high-purity polyphenylsulfone (PPSU). It effectively reduces reliance on fossil resources and offers a proven drop-in alternative without compromising the high performance characteristics of the sulfone polymer. <br> <ul style="padding-left: 40px;"><li> Its lower carbon footprint also helps drive decarbonization throughout the value chain. </li> <li> It offers exceptional hydrolytic stability, shatter-proof toughness, and heat resistance up to 180°C for more than 1,000 sterilization or dishwasher cycles. </li> <li> It provides an inherently non-stick, highly stain- and scratch-resistant surface. </li> <li> It does not absorb any odors and is free of artificial pigments as well as phthalates and bisphenols. </li> <li> It is produced with 38% certified circular1 feedstock, attributed by mass balance and verified under ISCC PLUS regime. </li> <li> Duradex™ PPSU ECHO is recommended for use in baby bottles. </li> </ul>
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BASF

693 Products
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Syensqo

568 Products
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Polysulfone (PSU)