• Item Name: tesa® 58331
• Manufacturer: tesa SE
• Technologies: Single-sided PET tape
• Color: Black
• Backing material: PET film
• Type of adhesive: Acrylic
• Package Size: Contact to Techniq VN for details
• Shelf Life: Contact to Techniq VN for details
1. Product overview
tesa® 58331 is a single-sided black PET tape with a thickness of 85 µm (3.34 mil), designed specifically for the electrical insulation of battery components in electric vehicles. It combines high dielectric strength, thin profile for space-limited applications, and environmental advantages such as a low CO₂ footprint and solvent-free formulation. The PET liner allows easy handling and automation, while the black colour ensures clear visual detection during production.
2. Applications
Electrical insulation of battery components in electric vehicles
Space-constrained insulation areas requiring thin yet strong protection
Automated production processes needing PET liner support
3. Typical Properties
| Property | Value / Description |
|---|---|
| Backing material | PET film |
| Adhesive type | Acrylic |
| Liner type | PET film (transparent, 30 µm) |
| Total thickness | 85 µm |
| Elongation at break | 90% |
| Tensile strength | 25 N/cm |
| Breakdown voltage | 8.5 kV |
| Adhesion to aluminium (initial) | 6 N/cm |
| Adhesion to steel | 7 N/cm |
| Colour of tape | Black (for visual detection) |
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