tesa® 58331

85 µm s/s Black PET tape for electrical insulation applications


Product Features
  • High dielectric strength to ensure reliable electrical insulation.
  • Thin profile for applications with space constraints.
  • Low CO1 footprint, no solvents.
All product features
Product description

tesa® 58331 is a black 85µm single sided PET tape with an acrylic adhesive that has been specifically designed for the electrical insulation of battery components.


Product details and specifications

Product Features

  • High dielectric strength to ensure reliable electrical insulation.
  • Thin profile for applications with space constraints.
  • Low CO1 footprint, no solvents.
  • Designed with a PET liner for automation.
  • Black color allows visual detection in production.
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Product Construction

Backing material PET film
Colour of liner transparent
Thickness of liner 30 µm
Total thickness 85 µm
Type of adhesive acrylic
Type of liner PET film

Properties / Performance Values

Elongation at break 90 %
Tensile strength 25 N/cm
Breakdown voltage 8.5 KV

Adhesion to Values

Adhesion to Aluminium (initial) 6 N/cm
Adhesion to steel 7 N/cm
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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