Kapton® material properties

Made by Du Pont-Toray Co., Ltd.
Item Unit Kapton 100H
Film thickness μm 25
Strength MPa 340
Elongation 80
Young's modulus GPa 3.4
Dielectric breakdown voltage kV/mm 400
Thermal shrinkage % 0.2
Thermal expansion coefficient ppm/℃ 2.7
Humidity expansion coefficient ppm/%RH 2.4
Water absorption rate % 2.9
Thermal conductivity w/m・℃ 0.15
Folding resistance count Cycle ≧20,000
Specific volume resistance Ω・m 1×10E15
Note: The numeric values above are typical values. They are not standard values.