MATERIALS: Wear-Resistant PESU For Auto Powertrain Components

Solvay's advanced PESU is targeted to replace metal in components such as oil pumps and exhaust gas recirculation systems.

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A new, high-performance grade of polyethersulfone (PESU) is said to meet the growing demand for advanced polymers that can improve automotive powertrain efficiency and reduce carbon emissions. Recently unveiled by Solvay Specialty Polymers, Alpharetta, Ga., Veradel 3300 SL 30 is formulated to replace metal in automotive components prone to friction and wear—such as oil pumps and exhaust gas recirculation (EGR) systems.

            This tough, injection moldable material is said to offer wear resistance, and low-coefficient-of-friction in both dry and lubricated environments. It is formulated with a ternary anti-friction/anti-wear additive system comprised of carbon fiber, graphite and polytetrafluoroethylene (PTFE), making it an excellent candidate to broaden metal replacement options in oil pumps and EGR systems where thermoplastic parts come into contact with metals. It also performs reliably across the broad temperature ranges in which oil pumps are designed to operate (-40˚F to 302˚F), and withstands the high temperatures for which EGR systems are specified (up to 392˚ F). 

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