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FEP Copolymer Film

FEP Copolymer films is a thermoplastic fluoropolymer film supplied by Goodfellow that comes in 102 variations. Known for its high chemical inertness and dielectric strength, as well as its low coefficient of friction, FEP Copolymer films is commonly used as a non-stick coating and as an insulating material in the chemical, semiconductor and aerospace industries where resistance to extreme temperatures and chemical environments is critical. With Goodfellow's wide range of sizes and thicknesses, FEP Copolymer films can be customized for specialized applications requiring a high-performance fluoropolymer film.

Formula: FEP
Thickness: 0.5mm
Length 1: 100mm
Length 2: 100mm
Transparency: Clear/Transparent
CAS Number: 25067-11-2
UOM Code: 797-459-72

SKU: 1000114168

Product Code: FP34-FM-000200

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Foil

Thickness		±20%

Tolerances

Foil

Thickness		±20%

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$249.74

each

Buy 5 for $202.29 each and save 19%
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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

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FEP Copolymer Film

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Material Properties for Polymers