Technical Data Sheet
Safety Data Sheet
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DuPont™ Kapton® HN PI Disc

The DuPont™ Kapton® HN PI Disc is an engineering plastic available in a comprehensive range of 75 sizes. A polyimide material, it offers high tensile strength, dielectric strength and continuous use at temperatures up to 400°C. These discs are used in applications requiring excellent mechanical, electrical and thermal properties, as well as chemical inertness. Typical uses include electrical insulation, precision parts and components exposed to extreme temperatures.
Thickness: 0.008mm
Diameter: 6mm
Technical Name: Polyimide
Grade: DuPont™ Kapton® HN
Formula: PI
Density: 1.42g/cm³
CAS Number: 60842-76-4
UOM Code: 100-392-95
SKU: 1000014295
Product Code: IM30-FM-000180

Tolerances

Disc
Thickness ±20%
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$123.52
each
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Tolerances

Disc
Thickness ±20%
Technical Data Sheet
Safety Data Sheet

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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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