DuPont™ Hytrel® Gives General Motors' Trucks a Boost

General Motors' next generation of mid-size trucks are benefiting from a new lightweight, highly effective brake system vacuum booster self-retaining spacer made of DuPont™ Hytrel® thermoplastic polyester elastomer. The spacer sits between a vehicle's firewall and brake system to help position brake components.

The innovative vacuum booster spacer, designed and developed by Delphi Corporation, helps significantly reduce assembly time, dramatically reduces weight and offers performance advantages over the existing spacer. The spacer design and material allows the vacuum booster to be mounted securely and sealed against the engine compartment wall.

"Helping to reduce component weight and improving the design for assembly without sacrificing performance are crucial industrywide goals, and this application meets all these objectives," said Michel Vermoesen, senior project engineer – Delphi Energy & Chassis Systems.

"The outstanding physical properties of Hytrel® combined with DuPont material and technical knowledge augment Delphi's innovative spacer design, demonstrating the value of collaboration throughout the entire development process," said Ken Hines, DuPont Engineering Polymers.

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