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FEP Wire insulations and coatings
Datasheet updated
2023-11-09 14:40
(supersedes all previous editions)
FEP coating is thin film applications of fluorinated ethylene propylene available in a variety of film thickness and colors. The following values are typical of the fluoropolymer and should not be used as a specification.
Electrical properties
| Property | ASTM standard | Unit | Value |
|---|---|---|---|
| Dielectric constant | D150 | MHz | 2.1 |
| Dielectric strength | D149 | V/m | 53 |
| Dissipation factor | D150 | MHz | 0.0006 |
| Arc resistance | D495 | s | 300 |
| Volume resistivity | D257 | Ω cm | > 1018 |
| Surface resistivity | D257 | Ω/sq | > 1016 |
Mechanical properties
| Property | ASTM standard | Unit | Value |
|---|---|---|---|
| Specific gravity | D792 | 2.15 | |
| Tensile strength | D1457 D1708 |
MPa (psi) |
23 (3.400) |
| Hardness | D2240 |
Shore D pencil |
56 HB |
| Coefficient of friction Static |
D1894 | - | 0.2 |
Physical properties
| Property | ASTM standard | Unit | Value |
|---|---|---|---|
| Melting point | D3418 | °C (°F) | 260 (500) |
| Max. operating temperature Continuous Intermittent |
°C (°F) °C (°F) |
204 (400) 232 (500) |
|
| Thermal conductivity | Bt in /(h ft2 °F) W/ (m K) |
1.4 0.20 |
Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Alleima materials.