The thermoplastic Jounce Bumper is designed by DuPont Performance Polymers to replace incumbent foam polyurethane (PUR). Jounce Bumper is a part on the top of the suspension to prevent shock at the end of the metal spring compression and improve vehicle behaviour.
The Jounce Bumper – an additional spring used in car shock absorbers to improve vehicle behaviour and comfort even in demanding conditions – is made from DuPont™ Hytrel® TPC-ET and offers many benefits over existing PU-based alternatives. By collaborating with OEMs through design, material selection and processing, DuPont has developed a patented blow moulding process that ensures optimum energy absorption. Working closely with OEMs using non-linear Finite Element Analysis (FEA) software and the Expert System from DuPont, the design of the Hytrel® Jounce Bumper can be optimised to meet static and dynamic requirements of the OEM.
The new office chair – the Generation from Knoll® – is made using a renewably sourced polymer from DuPont. Key to the chair’s flexing and supportive features is the use of the DuPont™ Hytrel® RS Renewably Sourced thermoplastic elastomers and DuPont™ Crastin® PBT for the Flex Back and the Dynamic Suspension control.
Other sustainable products include DuPont™ Zytel® 66 Halogen free* which can withstand extremely high continuous temperatures thanks to a new heat stabilisation technology, and a broad range of DuPont™ Zytel® HTN halogen-free* nylons able to fulfil the most demanding applications such as Surface Mounted Devices (SMD) components and Hand Held Device (HHD) and the recently launched impact-modified, low-emission DuPont™ Delrin® 300TE, which extends the scope of application of POM into multiple applications, including those in automotive interiors, where resistance to high impact loads is required.
Visitors will also be able to see DuPont™ Vamac® Ultra HT, a new grade of ethylene acrylic elastomer (AEM) that extends the Vamac Ultra family of high-performance elastomers, offering enhanced continuous heat resistance up to 180°C, with peaks to 200°C.
Where performance really matters... whether you are looking to save costs or looking for a better sustainable alternative, DuPont can help – calling upon its extensive global capabilities in application development, polymer technology and innovation. Visit the DuPont booth (Booth 4201/Hall B4) to see how DuPont can help you take the next step in your design initiatives.
* Halogen-free when used herein means that halogen is not an intended ingredient of our product.
DuPont offers more than 100 materials and product families for the global automotive industry. Through its global application development network, DuPont Automotive is committed to collaborating with customers throughout the value chain to develop new products, materials, components and systems that help reduce dependence on fossil fuels and protect people and the environment. For more information, visit automotive.dupont.com.
DuPont Performance Polymers is committed to working with customers throughout the world to develop new products, components and systems that help reduce dependence on fossil fuels and protect people and the environment. With more than 40 manufacturing, development and research centers throughout the world, DuPont Performance Polymers uses the industry’s broadest portfolio of plastics, elastomers, renewably sourced polymers, filaments and high-performance parts and shapes to deliver cost-effective solutions to customers in aerospace, automotive, consumer, electrical, electronic, industrial, sporting goods and other diversified industries.
DuPont (NYSE: DD) has been bringing world-class science and engineering to the global marketplace in the form of innovative products, materials, and services since 1802. The company believes that by collaborating with customers, governments, NGOs, and thought leaders we can help find solutions to such global challenges as providing enough healthy food for people everywhere, decreasing dependence on fossil fuels, and protecting life and the environment. For additional information about DuPont and its commitment to inclusive innovation, please visit www.dupont.com.
The DuPont Oval Logo, DuPont™, The miracles of science™ and all product names denoted with ® are trademarks or registered trademarks of E.I. Du Pont de Nemours and Company or its affiliates.Generation by Knoll® is a registered trademark of Knoll, Inc.
Rémi Daneyrole | DuPont
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