FEP for Cable & Wire — Low-Smoke, Low-Halogen Insulation Resin
FEP (fluorinated ethylene propylene) is a key wire-and-cable fluoropolymer — low-smoke, low-halogen (Cl/Br) and flame-resistant, with a wide MFR range for both extrusion and injection molding.
- Five wire-grade FEP pellets, MFR 2.0–20 g/10 min, matched to line speed and wall thickness
- Cross-reference support against Teflon™ FEP grades — no spec re-engineering required
- KKDIK / REACH / FDA documented — trial samples available before you commit
FEP de Peflon para Cable & Alambre
de Peflon (Peflon’s) FEP cable resins offer a wide range of MFRs (2.0 to 32 g/10 min) and suit both extrusion and injection molding. Our fluorinated ethylene propylene (FEP, CAS 25067-11-2) wire resins are low-smoke, low-halogen (Cl/Br) and produced without PFOA or PFAS. Peflon FEP grades used in plenum-rated communications cable are formulated to support the fire and smoke performance required by UL 444, the standard for communications cables referenced by NEC Article 800 CMP ratings — confirm compliance with your cable manufacturer’s own UL listing.
Its wire-grade FEP resin makes flexible cables with high melt strength, stable processing temperatures and excellent resistance to chemicals and solvents, with operating temperatures from −80 °C to 200 °C (−112 °F to 392 °F). These five grades share the same base resin as Peflon’s broader 10-grade FEP catalog — if your process needs a coating-grade dispersion or powder instead, see the full range there.
FEP Cable & Wire Properties
Wire and cable buyers specify FEP primarily on its electrical and thermal properties — the values below are typical for Peflon’s wire-grade FEP pellets.
| Propiedad | Valor Típico | Notas |
|---|---|---|
| Constante dieléctrica | ~2.1 (1 MHz) | Low and stable across frequency — preserves signal integrity |
| Factor de disipación | Muy baja | Depende del grado |
| Punto de fusión | 260 ± 5°C | — |
| Temperatura de servicio continuo | −80°C to 200°C | −112°F to 392°F |
| Flame performance | >800°C before burning/smoking | Supports low-smoke, plenum-rated (CMP) constructions |
| Flex life | 10M+ cycles | Depende del grado |
| Halogen content | Low-halogen (Cl/Br) | Per IEC 61249-2-21 — fluorine itself is not restricted by this standard |
FEP Wire & Cable Grades & Data Sheets
Five of Peflon’s ten FEP pellet grades are specifically suited to wire and cable insulation/jacketing, spanning MFR 2.1–20 g/10 min for different line speeds and wall thicknesses. Click a grade to download its Technical Data Sheet (PDF). For the full 10-grade FEP catalog (including dispersion and powder forms), see Peflon FEP.
| Grado | MFR (g/10 min) | Característica | Aplicación Típica |
|---|---|---|---|
| PF-302 | 2.1–4.0 | Coating grade — equivalent to Teflon™ FEP 9302X | Tubos, tuberías, revestimientos, fuelles, chaquetas de cables & alambres |
| PF-303 | 4.1–8.0 | Hidrofóbico | Aislamiento de cables & alambres, tubos pequeños, piezas moldeadas por inyección |
| PF-304 | 8.1–12.0 | Amplio rango de temperatura, compatibilidad química, hidrofóbico | Aislamiento de alambres, tubos pequeños, piezas moldeadas por inyección |
| PF-305 | 12.1–20 | Inyección de FEP, extrusión de FEP | Aislamiento de pared delgada para cables & alambres, película industrial |
| PF-311 | 2.1–5.0 | Heat-stress-crack-resistant, 3D-printer FEP | Wire insulation, thin-walled tube |
Note: typical values from technical data sheets, for reference only — confirm final selection by line speed, wall thickness and end use.
Cable Types Using Peflon FEP Resin
Peflon’s FEP wire resins are extruded by processors into insulation and jacketing across a wide range of cable constructions — from hookup wire to high-temperature spark ignition cable.

Hookup & Control Wire
Processors extrude Peflon FEP onto hookup and control wire conductors where chemical resistance and a wide service-temperature range matter more than bulk insulation cost.

High-Temperature & Spark Ignition Wire
Processors specify Peflon FEP for spark-plug and ignition wire insulation where continuous service above 150°C and dielectric stability under vibration are required.

Shielded & Multi-Conductor Data Cable
Processors extrude thin-wall FEP insulation (PF-305) onto individually shielded conductors for high-speed data and LAN cable, where low, stable dielectric constant preserves signal integrity.

Plenum (CMP) & Low-Smoke Cable
Processors building CMP-rated communications cable specify FEP for its low smoke generation and flame resistance above 800°C, supporting the fire performance tested under UL 444.
How Processors Extrude Peflon FEP Onto Wire & Cable
Processors extrude Peflon FEP pellets onto bare or tinned copper conductor as primary insulation, or over a cabled core as an outer jacket — melt strength and stable processing temperature keep wall thickness consistent at line speed.

Primary Insulation Extrusion
Processors melt-extrude FEP directly onto bare or tinned copper conductor on wire lines, using MFR and melt strength to hold wall thickness at line speed.

Jacket Extrusion Over Cabled Core
Processors extrude a higher-MFR FEP jacket over a cabled, shielded core for multi-conductor and data cable constructions.

Foam-Skin Extrusion for High-Speed Data
Processors use a foamed FEP core with a solid skin to lower dielectric constant further for high-speed data cable — see Peflon’s foamed FEP resin guide for the process.
FEP Cable Resin Chemical Compatibility
El FEP resiste prácticamente todos los ácidos, bases y disolventes industriales en todo el rango de pH; las excepciones que se indican a continuación son los casos excepcionales que conviene tener en cuenta antes de finalizar las especificaciones.
| Química | Clase | Resistencia |
|---|---|---|
| Sulfuric, hydrochloric, nitric, hydrofluoric acids | Ácido mineral | Excellent, full concentration range |
| Hidróxido de sodio (40%) | Base sólida | Excelente |
| Acetone, methanol, toluene | Solvent | Excelente |
| disolventes clorados | Disolvente clorado | Excelente |
| metales alcalinos fundidos | — | Not recommended, any temperature |
| flúor elemental | — | No se recomienda su uso por encima de 300 °C. |
| Ciertos disolventes fluorados bajo presión | — | Limitado por encima de 200 °C |
Por qué elegir la resina FEP para alambre de Peflon
Cable and wire manufacturers qualifying a new FEP resin source weigh regulatory documentation, MFR consistency and flame/smoke performance as heavily as price.
PFOA-Free, PFAS-Free & Low-Halogen
Peflon abandons traditional perfluorooctanoate salts and uses advanced production technology — free of PFOA and PFAS, compliant with EU REACH. Peflon FEP is also low-halogen (Cl/Br), per IEC 61249-2-21 — note that as a fluoropolymer, FEP inherently contains fluorine, which this standard does not restrict.
- REACH-compliant, PFOA/PFAS-free production
- Low-halogen (Cl/Br) per IEC 61249-2-21
Flame Resistance & Signal Integrity
Peflon FEP withstands temperatures above 800°C before burning, smoking or decomposing, supporting plenum-rated (CMP) constructions under UL 444 — while its low, stable dielectric constant (~2.1) preserves signal integrity in coaxial, LAN and high-speed data cable.
- Low smoke generation above 800°C
- Stable dielectric constant across frequency
Extreme Flexibility, Wide MFR Range
High flex performance — wires can continuously flex up to and beyond 10 million cycles. Five grades span MFR 2.1–20 g/10 min, matched to your line speed and wall thickness rather than a one-size-fits-all resin.
- 10M+ flex cycles, grade-dependent
- Grade cross-reference support against your current spec
Easy to Process, Documented Second Source
With a melting point of 260 ± 5°C, Peflon FEP has high melt strength and stable processing temperatures, making it easy to melt-extrude. Qualify Peflon as a documented second source alongside Daikin, Chemours or AGC — trial samples available before you commit.
- Stable processing window for consistent wall thickness
- Trial samples shipped with matching TDS
FEP para Cable & Alambre — Preguntas Frecuentes
¿Qué rango de MFR cubre el FEP de Peflon para cable & alambre?
Peflon ofrece resinas de FEP para cable en un amplio rango de MFR de 2.0 a 32 g/10 min, lo que permite ajustar el índice de fluidez a la velocidad de línea y al espesor de pared, tanto en extrusión como en moldeo por inyección.
¿Es el FEP adecuado para cable plenum (CMP)?
Yes. FEP is a primary plenum-rated insulation material thanks to its low smoke generation, flame resistance and low, stable dielectric constant — widely used in CMP, coaxial and high-speed data cable, tested against UL 444.
¿Qué clasificación de temperatura tiene el aislamiento de cable de FEP?
Peflon FEP cable jacketing runs continuously from −80°C to 200°C (−112°F to 392°F) and resists fire above 800°C before decomposing, with a melting point of 260 ± 5°C.
Is Peflon FEP for wire low-halogen and PFOA-free?
Yes — it is low-halogen (Cl/Br, per IEC 61249-2-21), low-smoke and produced without PFOA or PFAS, passing REACH testing and compliant with EU standards. As a fluoropolymer, FEP inherently contains fluorine, which this standard does not restrict.
¿Por qué el FEP es adecuado para cable coaxial y de datos de alta velocidad?
El FEP tiene una constante dieléctrica baja y estable (~2.1) y un bajo factor de disipación, lo que preserva la integridad de la señal a altas frecuencias — combinado con su resistencia a la llama, esto lo hace ideal para cable coaxial, LAN y de datos de alta velocidad.
¿Qué tipos de cable utilizan la resina de FEP de Peflon?
Cables coaxiales, de bandeja, de pozo (down-hole), LAN, de datos de alta velocidad, de calefacción, plenum y de control — en una amplia gama de calibres y espesores de pared, tanto en revestimiento como en aislamiento primario.
Soporte Técnico del FEP para Cable & Alambre
Especificar y procesar resina de FEP para cable plantea preguntas técnicas reales: selección de MFR y grado, límites de temperatura, parámetros de extrusión y cumplimiento normativo. Nuestra biblioteca técnica ofrece orientación práctica del equipo de materiales de Peflon.
Cómo elegir la resina FEP adecuada en la industria del cable
How to match FEP grade and MFR to your wire line speed and wall thickness.
¿Qué calibre de cable de PTFE es mejor para el cableado automotriz?
Sizing guidance for automotive-grade fluoropolymer wire.
Qué Calibre de Cable Coaxial Usar en Exteriores
Coaxial cable sizing considerations for exterior installation.
Solicite una Muestra Gratuita de FEP para Cable & Alambre
Tell us your cable type, target MFR, wall thickness and volume — our engineers will recommend the right FEP grade, send the TDS and reply within 24 hours.



