NPE 2015: High-temperature polyamide replaces rubber in brake booster lines


Evonik (S23093) is presenting its new Vestamid DX9360 grade, a polyamide extrusion compound for tubing systems that has the potential to significantly extend the lifetime of engine lines, at NPE 2015. The resin is the first of a new family of high-temperature resins from Evonik.

Increasingly-congested engine bays places more stringent demands on heat resistance for plastics.

Tubing made from Evonik's new high-temperature resistant Vestamid DX9360 compound can reportedly replace rubber hoses in encapsulated engine compartments, thereby saving space and weight. "Our customers asked us for a new high-temperature polyamide, distinguished by particularly high resistance to continuously high working temperatures," said Jeff Smith, vice president and general manager, Evonik's High Performance Polymers. "And we delivered with Vestamid DX9360."

 "Thermal loads in the engine compartments of cars have risen greatly over the last few years," noted Smith. "To withstand such demands, Evonik has been continually developing its Vestamid polyamide extrusion compounds for tubing systems."

While plastics are favored materials for lightweight construction, they must be adapted to meet the increased temperature requirements in the engine compartment. "Vestamid EX9360 is an extrusion compound for brake booster lines that satisfies these requirements even under extreme conditions," said Smith. "Tubing made from the newer Vestamid extrusion compound, which can be processed on standard extrusion lines, show even twice the durability of Vestamid EX9350 in tests at 150°C".

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