Plastics, Polymers & Resins

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Innovation Spotlight: DuPont™ Hytrel®

Innovation Spotlight: DuPont™ Hytrel®

A thermoplastic elastomer (TPE) single-piece, six-speed transmission baffle assembly, replacing the incumbent stamped steel with bonded rubber seal.

Innovation Spotlight: DuPont™ Zytel® XT and DuPont™ Vamac®

Innovation Spotlight: DuPont™ Zytel® XT and DuPont™ Vamac®

A lightweight, cost-effective twin turbocharger outlet T-joint engineered using molded plastic, replacing the cast aluminum/thermoset rubber incumbent material.

Innovation Spotlight: DuPont™ Zytel® and DuPont™ Delrin®

Innovation Spotlight: DuPont™ Zytel® and DuPont™ Delrin®

A lightweight, all-thermoplastic hood leveler designed to manage pedestrian head-to-hood impacts for reduced head trauma.

Innovation Spotlight: DuPont™ Zytel®

Innovation Spotlight: DuPont™ Zytel®

An engine mount bracket engineered using glass fiber-reinforced nylon, replacing the cast aluminum incumbent material.

Kalrez® Spectrum™ 7275 Double Seal Life in Chlorine Dioxide Service

Kalrez® Spectrum™ 7275 Double Seal Life in Chlorine Dioxide Service

Kalrez® Spectrum™ 7275, a specialty non-black perfluoroelastomer product, is made with a DuPont patented crosslinking system, and is suggested for seal applications where high resistance to oxidizing and reactive media is required.

Yazaki Underhood Electrical Center Saves Space, Adds Capacity

Yazaki Underhood Electrical Center Saves Space, Adds Capacity

Unique underhood electrical center developed by Yazaki North America for General Motors features DuPont™ Zytel® because it offers an excellent balance of properties and withstands harsh underhood operating conditions.

Hot Gas Welding and Zytel® Give Bocar Competitive Edge

Hot Gas Welding and Zytel® Give Bocar Competitive Edge

First use of hot gas welding for a PPA thermostat housing was developed by Bocar Group Plastics Division for Ford Motor Company. This unique design features DuPont™ Zytel® HTN because it offers outstanding resistance to glycol and fast molding cycles.

Ford Seat Design Relies on Delrin® Toughness and Load Stiffness

Ford Seat Design Relies on Delrin® Toughness and Load Stiffness

Ford Motor Company chose Delrin® for the power head restraint drive nut in its innovative Lincoln Continental seat system because it offers the best balance of toughness and load stiffness.

Latching Refueling Valve with Low Friction Materials Saves Energy

Latching Refueling Valve with Low Friction Materials Saves Energy

Low friction materials from DuPont Automotive prove to be ideal choice for Continental Automotive’s unique bi-stable latching refueling valve developed for Ford Fusion and Lincoln MKZ hybrid electric vehicles.

Hytrel® 30 years of Innovation in CVJ Boots

Hytrel® 30 years of Innovation in CVJ Boots

Now in its 25th year and celebrating no material failures on the road, DuPont™ Hytrel® TPC-ET delivers the flexibility of rubber, the strength of plastic, and the processibility of thermoplastic. Hytrel® TPC-ET thermoplastic elastomer is the industry standard for excellent balance of grease resistance, high temperature durability, low temperature flexibility and historically proven performance.

Pharmaceutical Seals for CIP and SIP

Pharmaceutical Seals for CIP and SIP

Hilge-Pumpen selected Kalrez® seals for their chemical resistance and seal life performance in order to meet the stringent clean in place requirements demanded by the pharmaceutical, biotechnology and cosmetics industries.

Sealing Collaboration Pays Dividends in Chamber Cleaning

Sealing Collaboration Pays Dividends in Chamber Cleaning

Chamber cleaning with NF3 / O2 plasma increased maintenance at Spansion due to seal erosion. Kalrez® 9100 parts improved productivity and reduced cost-of-ownership. Kalrez® 9100 parts were successfully qualified in both thin films and dry etch tools.

Vespel® SP-21 Thrust Washers

Vespel® SP-21 Thrust Washers

Vespel® thrust washers have been selected to replace larger and heavier metal thrust needle bearings positioned between the clutch casing and aluminum transmission housing.

DuPont™ Hytrel® key to Niagara Foot™

DuPont™ Hytrel® key to Niagara Foot™

Hytrel® TPC-ET from DuPont can be used in devices such as prosthetics, drug delivery systems and more.

Automotive Sustainable Fibers

Automotive Sustainable Fibers

The automotive industry has an increasing need for high-performance, environmentally sustainable fibers. The Toyota SAI® meets the increasing demands for a sustainable luxury automobile by using DuPont™ Sorona® renewably sourced polymer for the ceiling surface skin, sun visor and pillar garnish.

Hytrel® Ski Boot Collar

Hytrel® Ski Boot Collar

One of the early commercial applications of Hytrel® RS included use in a ski boot collar by Salomon. Hytrel® RS offers the same performance characteristics as traditional Hytrel® while using renewably sourced materials.

Materials for Vehicle Lighting Systems

Materials for Vehicle Lighting Systems

Materials play a critical role in complex vehicle lighting systems, where safety, driving comfort, design and styling converge to illuminate vehicle branding.

Capless Fuel Filler Locks Out Wrong Nozzles

Capless Fuel Filler Locks Out Wrong Nozzles

Ingenious design using DuPont™ Zytel® HTN PPA has an integrated “Mis-Fuel Inhibitor” involving a neck with an opening and spring-loaded detents that allow entry of only the proper fuel nozzle for a particular vehicle.

Vespel® CR-6100 Boiler Pumps

Vespel® CR-6100 Boiler Pumps

The operator installed Vespel® CR-6100 parts as stationary wear components in boiler pumps. Clearance is about half that of the original design specifications of 0.016 in. (0.406 mm) for metal parts.

Polymer Oil Pan Module

Polymer Oil Pan Module

Materials play a critical role in complex vehicle lighting systems, where safety, driving comfort, design and styling converge to illuminate vehicle branding.

Bushings in New EGR Valve

Bushings in New EGR Valve

DuPont™ Vespel® SP bushings in new EGR (Exhaust Valve Recirculation) valve help deliver environmental improvements.

Hub Bushings For Copiers

Hub Bushings For Copiers

Hub bushings designed using DuPont™ Vespel® and Minlon® keep copiers running smoothly.

Cost-effective photovoltaic junction box housings

Cost-effective photovoltaic junction box housings

Junction boxes are installed by photovoltaic (PV) manufacturers directly on to the back of every PV panel and serve as the interface between the conductor ribbons on the panel and the DC input and output cables.

Line Shaft Bearings for Pumps

Line Shaft Bearings for Pumps

Retrofitting the pumps with DuPont™ Vespel® CR-6100 parts for line shaft bearings and stationary wear rings. To demonstrate that Vespel® CR-6100 could survive these conditions, site personnel installed a retrofitted pump and performed a field test.

Seals for Siemens Process

Seals for Siemens Process

Kalrez® PV8070 perfluoroelastomer washers and gaskets in reactors for the Siemens polycrystalline silicon process provide superior sealing capability.

Critical Seals in HDPCVD Processes

Critical Seals in HDPCVD Processes

Kalrez® 9100 parts were tested in some of the most critical seal positions. In most HDPCVD processes elastomer sealing materials can be a weak link because of the need for seal replacement during preventive maintenance procedures. Kalrez® 9100 parts double or even triple the lifetime of seals in HDPCVD processes.

Metal O-rings Replacement

Metal O-rings Replacement

By replacing metal O-rings with DuPont™ Kalrez® O-rings in gear pumps designed to operate in temperature up to 300 °C and pressure of 100 bar, Gather Industrie GmbH, Mettmann, Germany, has solved the problem of seal deformation.

Kalrez® KVSP™ valve stem packing saves 56.000 £

Kalrez® KVSP™ valve stem packing saves 56.000 £

Kalrez® KVSP™ valve stem packing, a solution to help reduce fugitive emissions, valve leakage and provide improved control — saves BP Chemical over 56.000 £ per valve annually, cuts shutdowns.

Kalrez® Spectrum™ 6375 O-rings for PTFE replacement

Kalrez® Spectrum™ 6375 O-rings for PTFE replacement

Kalrez® Spectrum™ 6375 O-rings for the chemical process industry are used as PTFE replacement in a wide range of chemicals. Dow AgroSciences have extended the lifetime of seals fitted to their product filling line from one day to an average of two months, an improvement of some 6000%, by replacing O-rings of PTFE.

Vespel® Thrust Bearings for EGR Valve

Vespel® Thrust Bearings for EGR Valve

Vespel® thrust bearings are critical in EGR valves for performance needs in hot, dirty environments that are critical for bearing surfaces.

Natural Gas Sampling and Delivery

Natural Gas Sampling and Delivery

Natural gas delivery is a challenge throughout the world. During its journey through miles of pipeline, natural gas can become contaminated with moisture, air and chemicals. Kalrez® parts solve sealing problems in natural gas sampling systems.

Glass Handling Sweep-Out Fingers

Glass Handling Sweep-Out Fingers

Vespel® SCP-5050 sweep-out fingers and stacker bar inserts for glass handling help increase plant reliability and efficiency and reduce operating costs at Veda-Pack glass manufacturing sites

Canned Motor Pumps with Vespel® Parts

Canned Motor Pumps with Vespel® Parts

Canned motor pumps are widely used in various processing industries to transport hazardous fluids. Vespel® CR-6100 parts have been demonstrated to survive run-dry conditions, with low wear rates , extending mean time between repairs of the retrofitted pump

Vespel® Take-Out Inserts

Vespel® Take-Out Inserts

Vespel® SCP-5050 take-out inserts for hot glass handling increase plant reliability & efficiency versus carbon graphite at Vitro glass bottle manufacturer

Protecting Drivers With Zytel® RS

Protecting Drivers With Zytel® RS

Renowned racing safety device uses renewably-sourced DuPont™ Zytel® RS nylon for its strength and stiffness.

Zytel® HTN for Electronic Devices

Zytel® HTN for Electronic Devices

Engineering thermoplastics for electronics play an increasingly vital role in the production of components, and devices.

Polymers for Better Injection Devices

Polymers for Better Injection Devices

As injector pen materials, Delrin® and Zytel® are key elements in components of light, portable insulin injectors for people with diabetes.

Durable Rail Pads for Freight Lines

Durable Rail Pads for Freight Lines

How Pandrol collaborated with DuPont, specifying Hytrel® for rail pads that have endured over 10 years of use by heavy coal trains without replacement.

Office Seating Uses Flexible Plastic

Office Seating Uses Flexible Plastic

Designed by Formway Design of New Zealand, the Generation by Knoll® work chair offers a new level of comfort and unrestrained movement.

High Flex Cable for Bridges

High Flex Cable for Bridges

DuPont collaborated with Northwire on a high flex cable application using Hytrel® for bridge lifts.

Headlight bezels made from Crastin®

Headlight bezels made from Crastin®

Headlamp bezels are a part of a tailored headlamp solution utilizing bezels that combine the exceptional properties of DuPont™ Crastin® PBT polyester with innovative manufacturing techniques, design and development for more stylish and cost-effective results.

Lighter Engine Cover Components

Lighter Engine Cover Components

DuPont collaborated with Nissan Europe to develop lighter, less expensive engine covers durable enough to replace metal in the Pathfinder® and Navara®.

Phone Case Uses DuPont Polymers

Phone Case Uses DuPont Polymers

Protective phone cases can now be customized with personal photos or unique artwork, thanks to the printing know-how of German company Artcover GmbH and the aesthetic durability of DuPont™ Crastin® PBT and DuPont™ Sorona® EP thermoplastic polymer.

Vespel® Case Rings Boost Pump Efficiency and Safety

Vespel® Case Rings Boost Pump Efficiency and Safety

The operator of a pipeline in the Southwestern U.S. was searching for a case ring material for pumps that would enable improved operating efficiency, increase equipment reliability and avoid the seizing or galling problems encountered with metal components. The metal components were replaced with Vespel® CR-6100 parts, and the results were impressive.

Bionic Inspired Stool Printed with Zytel®

Bionic Inspired Stool Printed with Zytel®

A DuPont CAE expert designed a stool inspired by bionic and to some extent Gaudis architectural principles.

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