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DuPont™ Kapton® FPC PI Disk

The DuPont™ Kapton® FPC PI Disk comes in 45 variations that differ in diameter, thickness, and tolerance. These polyimide disks have high heat resistance, chemical inertness and dielectric strength. Its properties make it ideal for applications in electrical insulation, thermal insulation and high-temperature electronics. The range of sizes and tolerances we offer allow Kapton® FPC disks to be customized for use as washers, spacers, and other components across electronics, aerospace, and industrial sectors.
Grade: DuPont™ Kapton® FPC
Formula: PI
Thickness: 0.125mm
Diameter: 4mm
CAS Number: 60842-76-4
UOM Code: 966-086-17
SKU: 1000119891
Product Code: IM30-FM-000151

Tolerances

Disk
Thickness ±20%

Tolerances

Disk
Thickness ±20%
Technical Data Sheet
Safety Data Sheet
$123.95
each
  • Buy 5 for $100.40 each and save 19%
  • Buy 10 for $91.73 each and save 26%
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Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Poor
Acids - dilute Fair
Alcohols Poor
Alkalis Poor
Aromatic hydrocarbons Good
Greases and Oils Good
Halogenated Hydrocarbons Good
Halogens Fair
Ketones Good
Mechanical Properties
Element Value
Coefficient of friction 0.42
Hardness - Rockwell E52-99
Elongation at break( % ) Aug-70
Tensile modulus( GPa ) 02-Mar
Izod impact strength( J m⁻¹ ) 80
Tensile strength( MPa ) 70-150
Electrical Properties
Element Value
Dielectric constant @1MHz 3.4
Dissipation factor @ 1kHz 0.0018
Dielectric strength( kV mm⁻¹ ) 22
Surface resistivity( Ohm/sq ) 10¹⁶
Volume resistivity( Ohmcm ) 10¹⁸
Physical Properties
Element Value
Flammability V0
Radiation resistance Good
Refractive index 1.66
Resistance to Ultra-violet Poor
Limiting oxygen index( % ) 53
Water absorption - over 24 hours( % ) 0.2-2.9
Density( gcm⁻³ ) 1.42
Thermal Properties
Element Value
Heat-deflection temperature - 1.8MPa( C ) 360
Lower working temperature( C ) -270
Upper working temperature( C ) 250-320
Specific heat( J K⁻¹ kg⁻¹ ) 1090
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.1-0.35@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 30-60
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