DuPont™ Kapton® HPP-ST PI Coil

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.

Quick Links:

Tolerance

Properties

Reference & Citations

each

Price

Action

0.1m

0.2m

0.3m

0.5m

£241.07each
5+ for £195.27ea
10+ for £178.39ea

View Item

£277.69each
5+ for £224.93ea
10+ for £205.50ea

View Item

£310.67each
5+ for £251.64ea
10+ for £229.89ea

View Item

£370.75each
5+ for £300.30ea
10+ for £274.35ea

View Item

Find out more about
larger quantities

Shipping restrictions and charges
may apply for some hazardous materials.

More info.

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