ERJ staff report (DS)
Geneva, Switzerland -- Replacing rubber in an engine cradle mount with a thermoplastic elastomer reduced noise, vibration and harshness (NVH), volatile organic compound (VOC) emissions 95 percent as well as cost and weigh, said DuPont, the manufacturer of the Hytrel TPE.
The component, debuting on the 2011Ford Focus C-MAX compact multi-activity vehicle, was named finalist in the 2010 SPE Most Innovative Use of Plastics award in the Chassis/hardware category. ThyssenKrupp Tallent Ltd., Aycliffe (England), was also honored.
In this application, Hytrel thermoplastic elastomer is moulded into a net shape and then severely compressed during assembly. As a result, the material property is changed, significantly enhancing its elasticity to provide greater damping than the rubber it replaces.
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Press release from DuPont