FEP Wire insulations and coatings

Datasheet updated

2022-05-10 07:47
(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.