Fluorinated ethylene propylene (FEP Film)
FEP is an inert transparent Fluoropolymer that exhibits excellent chemical resistance, high dielectric strength and has a wide thermal range.
Brand Names
- Teflon® FEP
- Norton® FEP
Characteristics
- High temperature resistance
- Cryogenically stable
- Superior chemical resistance
- Inert & non-contaminating
- High dielectric strength
- Optically transparent
Common Applications
- Thermoformed components
- Heat sealed bags
| Property | Test Method | Typical Value | |
|---|---|---|---|
| English units | SI Units | ||
| Available Thickness Range | - | 2 – 20 mil | 51 - 508µm |
| Max. Operating Temp. | - | 400ºF | 205°C |
| Melt Point | ASTM D-3418 | 500 - 540ºF | 250 - 280°C |
| Dielectric Strength, 1mil | ASTM D-257 | 6500 V/mil | 260 kV/mm |
| Dielectric Constant | ASTM D-150 | 2.1 | 2.1 |
| Specific Gravity | ASTM D-792 | 2.12 - 2.17 | 2.12 - 2.17 |
| Tensile Strength | ASTM D-882 | 3500 psi | 24 MPa |
Teflon® is a registered Trademark of DuPont used under license by Welch Fluorocarbon, Inc. Norton® is a registered trademark of Saint-Gobain.