CMC 70791 – Technical Data Sheet

Kapton® film with good thermal conductivity and very good insulating properties even at high temperatures.

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Issued: 2018-04

Product description

Kapton® film with good thermal conductivity and very good insulating properties even at high temperatures. Easy and clean pre-assembly provided by the adhesive layer (also available in 0.025 mm film thickness on request).

Property Value
Substrate Kapton® MT
Colour brown
Thermal conductivity in W/(m⋅K) 0.46
Substrate thickness in mm 0.050 ± 15%
Total thickness in mm 0.078 ± 10%

Adhesive Properties

Property Value
Type of adhesive acrylic
Adhesive strength in N/cm according to internal method PV 1006-32 (180° peel from steel) ≥2

Thermal Properties

Property Value
Temperature performance (max.) in °C 155
Insulation class according to IEC 60085 F

Electrical Properties

Property Value
Breakdown voltage based on IEC 60243-1 in Veff. ≥ 7'000

Mechanical Properties

Property Value
Tensile strength in N/cm ≥ 50
Elongation at break in % ≥ 20

Other Properties

Property Value
Liner siliconized paper

® Registered trade mark of DuPont de Nemours


The technical data are average values and do not replace the user's own testing. Subject to change without notice. The PDF data sheet is binding.