Case Study: The world’s greatest electrical insulators are from DuPont
Teflon® and Tefzel® fluoropolymers provide unmatched insulating capabilities under harsh environmental conditions.
Application Description
When your application requires world-class electrical insulating properties, DuPont fluoropolymers can meet your needs. Commercial applications include:
-
Oxygen sensor wire
- Oxygen sensor hermetic seal
- Throttle body injection (TBI) wire
- Catalytic converter control wire
- Heated seat wire
- High-temperature wire insulation for heated seats
- Convoluted wire harness
- Diesel engine wire
- ABS wire
- Transmission wire
- Brake sensor wire
- High tension ignition cable
- Battery terminal binder
- Wire harness conduit
- Cable tie wraps
Materials Selected and Why
DuPont™ Teflon® PTFE is chosen for its:
- Mechanical toughness
- Electrical and low-friction properties
DuPont™ Tefzel® ETFE is chosen for its:
- Easy processibility
- High-energy radiation resistance
Tefzel® ETFE and Teflon® PTFE have low dielectric constants and high volume resistivity.
Both Tefzel® ETFE and Teflon® PTFE have approved thermal class ratings (SAE, ISO) for wire insulation. Tefzel® ETFE has a thermal class rating of Class F (392°F/200°C) and Cross-linked Tefzel® ETFE has Class G (437°F /225°C). Teflon® PTFE has a thermal class rating of 437°F to 572°F (225°C to 300°C).
![Global [change]](/globalassets/v3/images/en_US/topNav_Mn_count.gif)
