DuPont

Hytrel ^®

DuPont™ Hytrel® TPC-ET thermoplastic elastomer combines the flexibility of rubber with the strength and processability of thermoplastics. Manufacturers prefer parts made with Hytrel® for their resilience, heat and chemical resistance, as well as their strength and durability. Hytrel® drives innovative design, enabling the development of unique parts with multiple performance characteristics. This versatile thermoplastic elastomer resin can flex in multiple directions, cycle after cycle, long after rubber would break. Its durability has made it an essential ingredient in automotive components such as the Constant Velocity Joint (CVJ) boot, which must endure an average of 150,000 miles of pounding over a wide range of temperatures. DuPont™ Hytrel® RS delivers all of the benefits of Hytrel®, yet it contains up to 60 percent renewably sourced materials from biomass, making it an excellent product for applications demanding renewably sourced options

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Hytrel® 4556

Polymer: Thermoplastic Copolyester Elastomer

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Hytrel® HTR8139BK

Polymer: Thermoplastic Copolyester Elastomer

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Hytrel® HTR8724 BK320

Polymer: Thermoplastic Copolyester Elastomer

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Technical product information

Features and Benefits

Hytrel® is that thermoplastic elastomer manufacturers depend on for its resilience, heat and chemical resistance, as well as its strength and durability. Advantages of using Hytrel® products include:

Resilient
Flexible
Heat resistant
Chemical resistant
Strong
Durable

Applications

Cable insulation and jacketing
Chassis suspension Systems
Food Contact Materials
Innovative Furniture Design
Mechanical Gears
Medical Device Materials
Mobile Phone Housing & Components
Plastics For Sporting Goods
Polymers for Oil and Gas
Railway Technology for the Long Haul
Seals and Gaskets
Sustainability in Airbag Systems
Thermoplastic Tubing and Elastomeric Hose

Case Studies

Six-speed Transmission Baffle Assembly

A thermoplastic elastomer (TPE) single-piece, six-speed transmission baffle assembly, replacing the incumbent stamped steel with bonded rubber seal. Developed with the Ford Motor Company for use on its 2018 Ford Focus.

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Prosthetic foot design uses Hytrel®

The Niagara Foot™ is an affordable, high-performance prosthetic foot initially designed and intended for active individuals who have been victims of landmines. Its novel, energy-return design relies on the stiff yet, flexible properties of Hytrel® to provide user benefits in terms of stability, effectiveness and comfort.

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Rail Pads Made for Heavy Loads With DuPont™ Hytrel®

Pandrol, a leading provider of engineered rail and fastening systems, worked with DuPont to design more durable rail pads, after heavily loaded coal trains displaced rails and roadbeds on a vital route. The new system resulted in no track failures in over ten years of service.

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Concept for e-Mobility Seating
It is believed that the interior design of the automotive will rival exterior design in importance. The seating and interiors will become the differentiator that powertrain once was for OEMs. This new concept for e-Mobility seating suggests Office style thin suspension seating made with Hytrel® can replace PU foam and metal springs.

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Hot Runner Manual for Robust Molding of Semi-crystalline Resins
Maximizing productivity is an important factor in determining part cost. One way to improve productivity is using a hot runner system. The decision when to use a hot runner system is mainly influenced by “yield” as hot runners can add complexity and cost to molds and require additional maintenance. Due to continuous improvement in the hot runner design a robust molding process is possible even with traditionally more thermally sensitive thermoplastic resins.

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Press Blow Molded CVJ Boots
DuPont collaborated with Ossberger to accelerate the development and launch of new Hytrel® grades for inboard and outboard CVJ boots. Also, to develop silent outboard CVJ boots especially for hybrid and full-electric vehicles.

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Sunroof Belt
Toyota and other OEM's benefit from DuPont's glass reinforced Hytrel® 55 D grades that offer stiffness and dimensional stability even at high temperatures of 90°C and lower noise for Sunroof Belts.

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