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Solvay Unveils Metal-replacing PESU to Improve Auto Powertrain Efficiency

Published on 2015-05-22. Author : SpecialChem

NOVI, Mich. -- Solvay Specialty Polymers introduced Veradel® 3300 SL 30 polyethersulfone (PESU) at the CTI Symposium. The new Solvay PESU grade is a tough, high-performance resin designed to meet growing global demand for advanced polymers that can improve automotive powertrain efficiency and reduce carbon emissions. Solvay PESU is formulated to replace metal in automotive applications prone to friction and wear – such as oil pumps and exhaust gas recirculation (EGR) systems – the new resin offers wear resistance, and low coefficient of friction in both dry and lubricated environments.

Solvay's Veradel® PESU
Fig. 1: Solvay's Veradel® PESU

“Veradel® 3300 SL 30 PESU is an excellent example of how Solvay proactively targets the emerging needs of its customers,” said Brian Baleno, global automotive business manager for Solvay Specialty Polymers. “Our Veradel® polymers are already a mainstay in automotive lighting and electronics. However, this latest addition to our high-performance Veradel® line introduces new solutions to improve wear resistance in automotive powertrains, and further support OEMs and tiers aiming to develop leading-edge designs that can help reduce global CO2 emissions.”

An injection moldable resin, Veradel® 3300 SL 30 PESU is formulated with a ternary anti-friction/anti-wear additive system comprised of carbon fiber, graphite and polytetrafluoroethylene (PTFE). As a result, it offers excellent wear resistance to broaden metal replacement options in oil pumps and EGR systems where thermoplastic parts come into contact with metals.

New Solvay PESU material also meets other key criteria in these applications. It performs reliably across the broad temperature ranges in which oil pumps are designed to operate (-40°C to 150°C/-40°F to 302°F), and withstands the high temperatures for which EGR systems are specified (up to 200°C/392°F). This high-performing polymer also delivers good dimensional stability and strong resistance to oil and exhaust gases.

Veradel® 3300 SL 30 resin is a next-generation materials solution that can help meet upcoming CO2 emission standards in Europe, as well as increasingly stringent Corporate Average Fuel Economy (CAFE) standards in the U.S. and China. In Europe, for example, the European Commission has imposed regulations that limit vehicle emissions to an average of 130 grams of CO2 per kilometer (g CO2/km) by 2015 and 95 grams by 2021. This compares with an average of almost 160 grams in 2007, and 132.2 grams in 2012.

Veradel® 3300 SL 30 PESU complements Solvay’s already extensive portfolio of wear-resistant thermoplastics, which includes Ryton® polyphenylene sulfide (PPS), KetaSpire® polyethetherketone (PEEK), AvaSpire® polyaryletherketones (PAEK) and Torlon® polyamide-imide (PAI). Other Solvay products used in oil pumps and EGR systems include Tecnoflon® FKM fluoroelastomers for sealing systems, and Fomblin® perfluoropolyether (PFPE) fluorinated fluids for lubricants and greases.

Veradel® 3300 SL 30 PESU is available worldwide.

About Solvay


As an international chemical group, Solvay assists industries in finding and implementing ever more responsible and value-creating solutions. Solvay generates 90% of its net sales in activities where it is among the world's top players. It serves many markets, varying from energy and the environment to automotive and aeronautics or electricity and electronics, with one goal: to raise the performance of its clients and improve society's quality of life. The group is headquartered in Brussels, employs about 26,000 people in 52 countries and generated 10.2 billion euros in net sales in 2014. Solvay SA (SOLB.BE) is listed on EURONEXT Brussels and EURONEXT Paris (Bloomberg: SOLB:BB - Reuters: SOLB.BR).

Source: Solvay


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