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Formula: FEP
Form: Foil/Film/Sheet
Material: Fluorinated ethylene propylene (FEP)
CAS Number: 25067-11-2
Commodity: Polymers
FEP Copolymer Film, also known as fluorinated ethylene propylene film, is a high-performance polymer characterized by its excellent chemical resistance, high thermal stability, and outstanding electrical insulation properties. These key attributes make it ideal for a wide range of applications, including aerospace, electronics, and chemical processing industries. FEP Copolymer Film is particularly valued for its use in flexible printed circuits, wire and cable insulation, and as a protective barrier in harsh chemical environments. Goodfellow offers premium FEP Copolymer Film that meets stringent industry standards, ensuring reliable and consistent performance. The versatility and durability of FEP Copolymer Film make it a preferred choice for engineers and manufacturers seeking high-quality materials for critical applications.
Tolerances
Foil/Film/Sheet
| Thickness | ±20% |
|---|
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good |
| Halogens | Good |
| Ketones | Good |
Mechanical Properties
| Element | Value |
|---|---|
| Coefficient of friction | 0.27-0.67 |
| Hardness - Rockwell | R25-45, 60 Shore D |
| Poisson's ratio | 0.48 |
| Elongation at break( % ) | 150-300 |
| Tensile modulus( GPa ) | 0.5-0.6 |
| Izod impact strength( J m⁻¹ ) | 999999No Break |
| Tensile strength( MPa ) | 14-30 |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 2.1 |
| Dissipation factor @ 1MHz | 0.0007 |
| Dielectric strength( kV mm⁻¹ ) | 20@3.2mm |
| Surface resistivity( Ohm/sq ) | 10¹⁶ |
| Volume resistivity( Ohmcm ) | 10¹⁸ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | V0 |
| Radiation resistance | Poor |
| Refractive index | 1.344 |
| Resistance to Ultra-violet | Excellent |
| Limiting oxygen index( % ) | 95 |
| Water absorption( % ) | 0.01 |
| Density( gcm⁻³ ) | 2.15 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 50 |
| Heat-deflection temperature - 1.8MPa( C ) | 70 |
| Lower working temperature( C ) | -250 |
| Upper working temperature( C ) | 150-200 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1100 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.19-0.24@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 83-104 |
Other Customers Purchased
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X-ray Quality Rhodium Foil Grade: X-ray Quality
Formula: Rh
Percentage Purity: 99.9%
Temper: As Rolled
Thickness: 0.025mm
Length 1: 10mm
Length 2: 10mm
CAS Number: 7440-16-6
UOM Code: 464-926-09
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Ytterbium Foil Formula: Yb
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-64-4
UOM Code: 000-446-82
eachStarting at $239.48
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Yttrium Foil Formula: Y
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.1mm
Length 1: 50mm
Length 2: 50mm
CAS Number: 7440-65-5
UOM Code: 117-129-99
eachStarting at $235.38
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Zirconium Foil Formula: Zr
Percentage Purity: 99.2%
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-67-7
UOM Code: 004-371-61
eachStarting at $165.58
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Yttria-stabilized Zirconia Sheet (5% Yttria) Formula: ZrO₂/Y₂O₃
Thickness: 1mm
Length 1: 25mm
Length 2: 25mm
Stabilised With: 5% Yttria
CAS Number: 114168-16-0
UOM Code: 128-868-36
eachStarting at $676.87
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Zinc Foil Formula: Zn
Percentage Purity: 99.9%
Thickness: 0.0025mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-66-6
UOM Code: 013-016-12
eachStarting at $152.18
Discounts applied for volume purchases
