FEP Copolymer Disk

Formula: FEP

Form: Disk

Material: Fluorinated ethylene propylene (FEP)

CAS Number: 25067-11-2

Commodity: Polymers

Transparency: Clear/Transparent

The FEP Copolymer Disk is part of Goodfellow's extensive range of polymer disks. With 120 variations, this fluoropolymer product offers a balance of properties like high melt viscosity, chemical inertness and electrical insulation. These disks are used across a range of applications like wire and cable insulation, and chemical-resistant linings. The wide selection of sizes and thicknesses makes FEP Copolymer disks suitable for prototyping, research and small-scale production across industries.

Wishlist

Technical Data Sheet Safety Data Sheet Tolerance Properties

each

Tolerances

Disk

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

Services

Applications

170k+ products

No minimum order

Free delivery worldwide*

FEP Copolymer Disk

Tolerances

Material Properties for Polymers