tesa® 58358

tesa® 58358

220 µm s/s black PET electrical insulation tape

tesa® 58358 is a black 220 µm single sided PET insulation tape designed for electrical insulation of electric vehicle batteries and other components.

Product Features

  • Very strong adhesion to aluminum and steel

  • Strong backing to resist mechanical stress

  • Reliable protection against dielectric breakdown

  • Suitable for high-speed automated processing through strong backing and liner

  • Non-flammable acc. to FMVSS 302

Application Fields

Electrical insulation of battery cells and other components for electric vehicles

Technical Data

Type of liner paper
Backing material PETP
Type of adhesive modified acrylic, advanced acrylic
Total thickness 220 µm
Color black, beige
Color of liner white
Thickness of liner 70 µm

Adhesion to values

Adhesion to Aluminium (initial) 10.5 N/cm
Adhesion to Aluminium (after 14 days) 13.2 N/cm
Adhesion to Steel (initial) 15.3 N/cm
Adhesion to Steel (after 14 days) 17.4 N/cm


Elongation at break 80 %
Tensile strength 210 N/cm
Dielectric breakdown voltage 8000 V