AUTOMOTIVE | MATERIALS


engine mounts and brackets. Numerous other plastics suppliers are working on metal substitution projects too. One notable example is the latest development in Lanxess’s plastics-metal hybrid technology (see box.) Another is provided by Evonik. David Schmitz is Manager Automotive


Components within the Business Line High Performance Polymers at Evonik Resource Efficiency. He says friction reduction is taking on increasing impor- tance for UTH components, due in part to the growing number of actuators incorpo- rated into the vehicle. This is providing new opportunities for the company’s Vestakeep polyetheretherketone (PEEK). He says it can be used in extremely durable gear components where resistance to chemicals and temperatures any- where from 200 to 250°C may be called for and where alternative wear-resistant thermoplastics often used in gears (acetals for example), fall short. Schmitz emphasises that in these situations,


PEEK is an excellent alternative to metals, espe- cially in parts with high rotational speeds and so subject to quite high forces.


Left: Evonik’s Vestakeep PEEK is a candi- date for sealing rings in rechargeable Li-ion-battery packs. It has high chemical resistance and durability, and is inherently flame-resistant


CLICK ON THE LINKS FOR MORE INFORMATION: � www.solvay.com � www.teknorapex.com � www.lanxess.com � www.dsm.com � www.ascendmaterials.com � www.radicigroup.com � www.eurotec-ep.com � www.evonik.com � www.arburg.com


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