DuPont Mobility & Materials Hytrel® Family Page

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The versatile, resilient, durable copolyester

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.

Uses

Automotive boots & bellows
Air ducts
Wire and cables
Consumer electronics
Medical devices
Seals and gaskets
Sportswear and athletic goods
Tubes and hoses
Specialty films and garments
Furniture

More product info

Advantages

Flexibility and resilience

Hytrel® flexes and recovers, providing excellent flex fatigue and tear resistance, low hysteresis and spring-like properties.

Strength and abrasion resistance

Hytrel® offers exceptional toughness, impact and creep resistance.

Easy processing

Hytrel® can be molded by injection, blow or rotational techniques; it can be extruded into tubes, profiles, fibers/filaments, sheet, blown or cast film, web coating, nonwovens, wire and cable jacketing.

Broad service temperature

Flexibility at low temperatures, and good retention of mechanical properties at high temperatures.

Chemical resistance

Hytrel® stands up to oils, fuels, hydrocarbon-based solvents, and many other chemicals.

Enables over-molding and innovative designs

Hytrel® is compatible with other thermoplastics such as PC, ABS and polyesters, allowing over-molding and coextrusion.

Allows rework and recycling

The exceptional melt stability and thermoplastic nature of Hytrel® allow the recycling of processing scrap. Hytrel® can be reground and blended with virgin polymer.

Product families

Hytrel® is a plasticizer-free thermoplastic polyester elastomer that offers an outstanding combination of flexibility, stable mechanical performance over a broad temperature window, straightforward processing characteristics and other properties.

Broad flexibility range

With a Shore D hardness ranging from 30 to 80, Hytrel® bridges the mechanical performance of rubbers and thermoplastics. Further tuning of Hytrel® properties is achievable by addition of pigments and/or concentrates to reach the targeted performance for a specific application.

For regulated industries

Hytrel® includes grades for food contact applications as well as special and premium control grades for medical applications with superior testing, manufacturing control and regulatory support.

High melt strength

•High viscosity Hytrel® grades developed for blow molding and extrusion allow the efficient production of automotive parts, wires and cables, and other applications.

Innovative Concepts

Hytrel® enables the design and economical manufacture of solutions combining the features of high-performance elastomers and flexible plastic materials. In addition to injected parts, Hytrel® applications include extruded films and filaments, foams and more.