CMC 70849 – Technical Data Sheet

CMC 70849 consists of a very tough and electrically resistant Kapton® film with high performance reserves and a temperature resistant silicone adhesive.

Download PDF Markdown Deutsch

Issued: 2022-03

Product description

CMC 70849 consists of a very tough and electrically resistant Kapton® film with high performance reserves and a temperature resistant silicone adhesive.

Property Value
Supporting base Kapton® HN (polyimide)
Colour brown
Substrate thickness in mm 0.125  10%
Total thickness in mm 0.160  10%

Adhesive properties

Property Value
Type of adhesive polysiloxane
Adhesive strength in N/cm according to internal method PV 1006-32 (180° peel from steel) 3

Thermal properties

Property Value
Temperature performance (max.) in °C 180
Short term temperature performance in °C (ca. 1 hour) 350
Insulation class according to IEC 60085 H

Electrical properties

Property Value
Breakdown voltage based on IEC 60243-1 in Veff. ≥ 12'000

Mechanical properties

Property Value
Tensile strength in N/cm ≥ 250
Elongation at break in % ≥ 60

Other properties

Property Value
Liner fluorosiliconized PET, 50 µm

® 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.