CMC 70322 – Technical Data Sheet

CMC 70322 is a self adhesive laminate based on two layers of Kapton® CRC film combining high dielectric strength, outstanding resistance against corona / partial discharge und good thermal conductivity.

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Issued: 2019-11

Product description

CMC 70322 is a self adhesive laminate based on two layers of Kapton® CRC film combining high dielectric strength, outstanding resistance against corona / partial discharge und good thermal conductivity.

Property Value
Backing material Kapton® CRC
Colour brownish
Thermal conductivity in W/(m⋅K) value by DuPont for the substrate only 0.35
Substrate thickness in mm 2x 0.025 ± 17%
Total thickness in mm 0.110 ± 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) ≥ 2.5

Thermal properties

Property Value
Temperature performance (max.) in °C 180
Short term temperature performance in °C (ca. 1 hour) 200
Insulation class according to IEC 60085 H

Electrical properties

Property Value
Breakdown voltage based on IEC 60243-1 in Veff. ≥ 9'000

Mechanical properties

Property Value
Tensile strength in N/cm ≥ 60
Elongation at break in % ≥ 30

Other properties

® registered trademark 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.