• Item Name: tesa® 54485
• Manufacturer: tesa SE
• Technologies: Modified acrylic adhesive, multi-layer glass fiber laminated aluminum and PET
• Color: White
• Backing material: Glass fibre / PET film
• Type of adhesive: Modified acrylic
• Package Size: Contact to Techniq VN for details
• Shelf Life: Contact to Techniq VN for details
tesa® 54485 Fireman Access is a fire-, heat-, and puncture-resistant multilayer sealing solution, designed with a glass fiber laminated aluminum layer, PET reinforcement, and a thick acrylic adhesive. It provides secure sealing of battery housing holes against water and dust during normal operation while ensuring controlled high-temperature opening for emergency access. The product offers reliable corrosion protection, robust puncture resistance, and strong adhesion to a variety of automotive lightweight construction substrates.
Applied inside battery housing during assembly to seal fireman access holes
Shields passenger compartments from fire and heat for 5 minutes during battery fires
Enables firemen to flood and extinguish batteries without additional equipment
Ensures secure adhesion on steel, aluminum, plastics, painted, and reinforced plastic substrates
| Property | Value/Description |
|---|---|
| Backing material | Glass fibre / PET film |
| Adhesive type | Modified acrylic |
| Liner type | PE-coated paper |
| Total thickness | 9690 μm |
| Colour | White |
| Conformability | Medium |
| Humidity resistance | Very good |
| Puncture resistance | 1000 N (acc. tesa® J0PM0232) |
| Temperature resistance | Very good |
| Adhesion to steel | 12 N/cm |
| Special features | Fire/heat shielding >5 min at 500 °C, corrosion protection, controlled opening for access |
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