Polyimide Coil

Polyimide Coil provides high thermal stability up to 400°C and outstanding chemical resistance, making it suitable for applications in flexible electronics, insulation of high-temperature wiring, and precision laboratory instruments. Its mechanical strength and dimensional stability enable consistent performance in research and laboratory settings requiring reliable material properties. Commonly utilized in aerospace, automotive, and microelectronics, Polyimide Coil supports development of flexible circuits, sensors, and devices exposed to harsh environments. The polymer’s resistance to radiation, solvents, and extreme conditions ensures durability, making it a preferred material for scientific and industrial uses where stability and resilience are essential.

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Tolerance

Properties

Reference & Citations

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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 )	2.0 – 3.0
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