tesa® 58358
220 µm/8.66 mils s/s black PET electrical insulation tape
Product Features
- Very strong adhesion to aluminum and steel
- Strong backing to resist mechanical stress
- Reliable protection against dielectric breakdown
Product description
tesa® 58358 is a black 220 µm/8.66 mils single sided PET insulation tape designed for electrical insulation of electric vehicle batteries and other components.
Main Features & Benefits
- Very strong adhesion to aluminum and steel
- Reliable protection against dielectric breakdown
- Suitable for high-speed automated processing through strong backing and liner
- Non-flammable acc. to FMVSS 302
Product details and specifications
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
| Adhesive Type | modified acrylic |
|---|---|
| Backing material | PETP |
| Color | black |
| Color of liner | white |
| Liner Type | paper |
| Thickness of liner |
2.76 mils
70 µm |
| Total thickness | 220 µm |
| Elongation at break | 80 % |
|---|---|
| Tensile strength | 210 N/cm |
| Dielectric breakdown voltage | 12,000 V |
| Adhesion to Aluminium (initial) |
6 lbs/in
10.5 N/cm |
|---|---|
| Adhesion to Aluminium (after 14 days) |
7.54 lbs/in
13.2 N/cm |
| Adhesion to Steel (initial) |
8.74 lbs/in
15.3 N/cm |
| Adhesion to Steel (after 14 days) |
9.94 lbs/in
17.4 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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Last updated on Jun 15, 2026