• Item Name: tesa® 54349
• Manufacturer: tesa
• Technologies: Solvent-free acrylic adhesive with bio-based tackifiers
• Color: Transparent
• Backing material: PET with 90% post-consumer recycled content
• Type of adhesive: Modified acrylic
• Package Size: Contact to Techniq VN for details
• Shelf Life: Contact to Techniq VN for details
tesa® 54349 is a sustainable sealing patch for exterior automotive hole covering, combining a PET backing with 90% post-consumer recycled (PCR) content and a solvent-free acrylic adhesive enhanced with bio-based tackifiers. The product ensures reliable sealing, corrosion protection, and excellent resistance against chemicals, punctures, and extreme temperatures up to 180 °C. Its transparency supports precise application and quality control, making it suitable for demanding automotive environments with a focus on sustainability and performance.
Exterior hole covering after e-coat for underbody, wheel arches, and engine compartments
Before paint shop where good paint compatibility is required
Assembly line hole sealing across body areas (pillars, rocker panels, floors)
Lightweight construction applications with substrates such as steel, aluminum, plastics, painted parts, and CFRP
| Property | Value |
|---|---|
| Backing material | PET (90% PCR content) |
| Adhesive type | Modified acrylic (solvent-free, bio-based tackifiers) |
| Liner | Glassine, yellow |
| Total thickness | 260 µm |
| Colour | Transparent |
| Abrasion resistance | Good |
| Chemical resistance | Very good |
| Conformability | Low |
| Humidity resistance | Very good |
| Printability | Very good |
| Puncture resistance | 880 N |
| Temperature resistance | 180 °C (30 min) |
| UBC/Paint compatibility | Good |
| Adhesion to steel | 10 N/cm (initial) |
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