CMC 70968 – Technical Data Sheet

CMC 70968 is a robust one-sided high temperature adhesive tape based on Kapton film and a polyester liner.

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Issued: 2025-07

Product description

CMC 70968 is a robust one-sided high temperature adhesive tape based on Kapton film and a polyester liner. It shows good adhesion to many low energy and siliconized surfaces, and the protective liner facilitates processes like die-cutting / stamping.

Property Value
Substrate Kapton HN (polyimide)
Colour brown
Substrate thickness in mm 0.075 ± 12%
Total thickness in mm 0.110 ± 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) ≥2

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. ≥ 10'000

Mechanical properties

Property Value
Tensile strength in N/cm ≥ 120
Elongation at break in % ≥ 60

Other properties

Property Value
Liner fluorosiliconated PET film ca. 50 µm
Recommended storage cond.: cool and dry (15 - 25°C, < 65% rel. humidity) 07/25

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.