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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.

Grade: DuPont™ Kapton® HN
Formula: PI
Thickness: 0.008mm
Diameter: 25.4mm
CAS Number: 60842-76-4
UOM Code: 111-678-22

SKU: 1000024355

Product Code: IM30-FM-000180

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Disk

Thickness		±20%

Tolerances

Disk

Thickness		±20%

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€117.11

each

Buy 5 for €94.86 each and save 19%
Buy 10 for €86.66 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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DuPont™ Kapton® HN PI Disc

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Material Properties for Polymers