CMC 70300 – Technical Data Sheet

Kapton® based tape with good heat conductivity, even less noticeable due to lower film thickness but still good electric strength.

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Issued: 2017-03

Product description

Kapton® based tape with good heat conductivity, even less noticeable due to lower film thickness but still good electric strength. Clearly improved corona resistance in high voltage applications.

Property Value
Backing material Kapton® CR
Colour brown
Thermal conductivity in W/(m⋅K) 0.385
Substrate thickness in mm 0.025 ± 17%
Total thickness in mm 0.055 ± 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

Thermal Properties

Property Value
Temperature performance (max.) in °C 180
Short term temperature performance in °C (ca. 1 hour) 200
Flammability according to IEC 60454-2 flame retardant
Insulation class according to IEC 60454-2 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 ≥ 30
Elongation at break in % ≥ 30

Other Properties

This tape as to its composition complies with the requirements of regulation 2011/65/EU (RoHS).


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.