CMC 70121 – Technical Data Sheet

Robust Kapton® tape for highest temperature requirements.

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Issued: 2022-07

Product Description

Robust Kapton® tape for highest temperature requirements. The silicon based adhesive layer is very cohesive and designed for clean removal even after exposition to temperature extremes.

Property Value
Backing Material Kapton® (polyimide)
Colour brown / amber
Substrate thickness in mm 0.025 ± 17%
Total thickness in mm 0.060 ± 20%

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
Flammability according to IEC 60454-2 flame retardant
Insulation class according to IEC 60085 H

Electrical Properties

Property Value
Breakdown voltage based on IEC 60243-1 in Veff. ≥ 6'000

Mechanical Properties

Property Value
Tensile strength in N/cm ≥ 35
Elongation at break in % ≥ 35

Other Properties

Property Value
Temperature range - 80°C to + 350°C

® 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.