tesa® 66320

20µm single-sided amber polyimide tape

Product description

tesa® 66320 is an ultra-thin single sided tape, consisting of a polyimide film backing and special anti-repulsion acrylic adhesive

tesa® 66320 features:

  • Thickness: 20µm

  • Color: Amber

  • Excellent anti-repulsion properties

  • Very good chemical and temperature stability

  • Very good insulation resistance properties

  • Flame retardant property

Main applications

  • Li-battery edge wrapping

  • Fixing or wrapping applications where insulation resistance, flame retardant or high temperature is required

Technical properties

Elongation at break

30 %

Type of adhesive


Type of liner


Colour of liner


Tensile strength

20 N/cm

Total thickness

20 µm

Thickness of liner

50 µm

Backing material


Adhesion to steel

2 N/cm

Temperature resistance long term

85 °C

Temperature resistance short term

140 °C

Dielectric breakdown voltage

3600 volt

tesa® products prove their impressive quality day in, day out in demanding conditions and are regularly subjected to strict controls. All technical information and data above mentioned are provided to the best of our knowledge on the basis of our practical experience. They shall be considered as average values and are not appropriate for a specification. Therefore tesa SE can make no warranties, expressed or implied, including, but not limited to any implied warranty of merchantability or fitness for a particular purpose. The user is responsible for determining whether the tesa® product is fit for a particular purpose and suitable for the user’s method of application. If you are in any doubt, our technical staff will be glad to support you.

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