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DuPont™ Kapton® HPP-ST PI Coil

Grade: DuPont™ Kapton® HPP-ST
Formula: PI
Form: Coil
Material: Polyimide (PI)
CAS Number: 60842-76-4
Commodity: Polymers
Thickness: 0.125mm
Coil Width: 317.6mm
DuPont™ Kapton® HPP-ST PI Coil is available in 14 variations that differ in thickness, width, length and surface finish. A flexible polyimide film, it offers high heat resistance, chemical inertness and dielectric strength. Kapton® HPP-ST Polyimide Film has applications in flexible printed circuits, wire and cable insulation, magnet wire coatings, and medical tubing. The many different variations we offer, allows you to select the optimal polyimide film for your specific application.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Coil
Thickness ±20%

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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