CMC 73550 – Preliminary Technical Data Sheet Preliminary

CMC 73550 is an electrical insulation tape based on Kapton® MT and a heat resistant acrylic adhesive.

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Issued: 2023-10

Product description

CMC 73550 is an electrical insulation tape based on Kapton® MT and a heat resistant acrylic adhesive. Ceramic fillers in both film and adhesive layer provide good thermal conductivity while maintaining a high electrical and mechanical performance.

Property Value
Backing material Kapton® MT (thermally conductive polyimide)
Thermal conductivity of the Kapton film in 0.46
W/(m·K) Substrate thickness in mm 0.050 ± 15%
Total thickness in mm ca. 0.070

Adhesive properties

Property Value
Type of adhesive thermally conductive acrylic
Adhesive strength in N/cm according to internal method PV 1006-32 (180° peel from steel) ca. 1

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 % ≥ 50

Other properties

® Registered trademark of DuPont de Nemours

Property Value
Recommended storage cond.: cool and dry (15 - 25°C, < 65% rel. humidity) 10/23

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.