CMC 61145 – Technical Data Sheet

CMC 61145 is a self-adhesive insulating tape with outstanding electrical properties and highest temperature performance in the group of polyester films.

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Issued: 2025-08

Product description

CMC 61145 is a self-adhesive insulating tape with outstanding electrical properties and highest temperature performance in the group of polyester films. The acrylic adhesive features high molecular weight, durability, and hydrolysis resistance. A protective liner is included.

Property Value
Backing material PEN film (polyethylene naphthalate)
Colour colourless
Substrate thickness in mm 0.025
Total thickness in mm 0.040 ± 0.005

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 155
Short term temperature performance in °C (ca. 1 hour) 200
Insulation class according to IEC 60085 F

Electrical properties

Property Value
Breakdown voltage based on IEC 60243-1 in Veff. ≥ 5'000

Mechanical properties

Property Value
Tensile strength in N/cm ≥ 30
Elongation at break in % ≥ 50

Other properties

Property Value
Recommended storage cond.: cool and dry (15 - 25°C, < 65% rel. humidity) 08/25

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.