Rynite®

 
 
 

Polyethylene Terephthalate for High-Performance Parts

Rynite® unites the best properties of reinforced polyethylene terephthalate (PET) with easier processability to produce high-performance parts.

With its lightweight, glass-reinforced composition, dimensional stability, durability, and high-gloss finish, DuPont™ Rynite® is preferred across a wide range of applications, particularly as a replacement of die-cast metals and thermosets. 

This stiff, UV-resistant polymer offers a balance of thermal, mechanical, and chemical properties that make it ideal for electrical and electronic parts. Rynite® offers superior flow characteristics as well, which means it fills complex, thin-walled molds with less injection pressure than is needed with other resins––a big advantage in the miniaturization of parts. 

Rynite® polyethylene terephthalate (PET) helps make electrical devices, photovoltaic panels, switches, and other critical energy components stronger and reliable. It’s one big reason why DuPont offers the industry’s largest portfolio of pre-approved Underwriters Laboratories (UL) electrical insulation systems (EIS) and recognized to IEC standards products.

 

Uses

  • Electrical and electronic plastics
  • Electrical encapsulation materials
  • Electrical insulation polymers
  • Electrical motor insulation
  • Electronic and electrical connectors
  • Food contact materials
  • Photovoltaic panels and parts
  • Polymers for appliances
 
 
 
 
 
 

Advantages

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Structural Strength

All Rynite® PET grades are reinforced to offer high stiffness and mechanical strength. Rynite®  PET also has a low CLTE and good dimensional stability because it has low sensitivity to moisture after processing.

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Usable Temperature Range

Rynite® PET offers stable performance over a broad range of temperatures from -40C up to 150C. It can also be used in applications with long-term exposure to high temperatures (up to 150C).

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Flame Retardance

Rynite® PET has more than 10 flame retardant grades available, and certain grades are UL94 V-0 rated down to 0.35 mm, to support miniaturization in electrical applications. 

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Electrical Safety

Rynite® PET maintains good electrical performance, even in humid environments. Rynite® PET is rated with a UL 200C class insulation (class N).

 
 
 
 
 
 

Product families

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Material Data Center
 
 
 
 
 
 
 
 
 

Case studies & related content

 

 
 
 
 
 
 
 
 
 

Chemical Category

Polyethylene Terephthalate

 

Technical data sheets (TDS)

 
 
 

Safety data sheets (SDS)

SDS finder

 

Resources

Rynite® Product Data Sheets

 

Literature

Rynite® Literature

 
 
 
 
 
 

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