A side view of a black hatchback with the front driver's door outlined in red, showing internal parts and tesa tape details on gray.

Adhesive tapes for door seals
Bond with confidence.

Car doors are opened and closed thousands of times over their lifetime, in freezing conditions and on hot summer days. For the door seals to withstand this high, repeated stress over many years, manufacturers need high-performance adhesive solutions that stand the test of time: Discover the tesa® ACXplus Seal Line range specifically created for the high demands of dynamic seals.  

Performance test

See how tesa® 74712 performs in the floating roller test.

Bar graph shows tesa tape ACXplus 74712 peel results (N/cm) after 15 min, 24 h, heat aging, heat/humidity aging, and low-temp aging.

tesa® 747xx is designed for door seal mounting based on TL-spec, showing superior bonding performance across different test conditions.

Providing adhesive expertise to drive innovation 

An industrial robot arm installs a car door using tesa tape in a factory, surrounded by safety barriers and equipment.

tesa had developed a new Seal Line tape that we knew could help our customer, a European OEM with a global footprint, secure more sales. At the same time, the OEM was keen to improve supply chain resilience with more suppliers.  

The challenge was, the OEM was relying on old specifications, some of which were no longer relevant for modern seal applications but were stopping new adhesives from being considered by OES partners. 

Sharing our expertise on real-life tape requirements for seal applications with both the OEM and the door seal manufacturer, we were able to highlight which data was relevant today and why, and then develop the new adhesive solutions that would fulfil their needs, both from a performance and supply chain perspective.

In this way, we are not only an adhesive tape manufacturer, but a partner that can help solve your challenges to get your seals into production. 

Outstanding technical performance

Two people indoors examine a red car door with tesa tape. One gestures while the other holds the door; machinery is in the background.

tesa® ACXplus 74712 achieved >100,000 slam cycles in door seal testing, and compliance with TL52223, for assurance of its high-quality design and performance.  

Quality that endures

Close-up of an industrial machine with multiple belts, pulleys, blue tubes, and tesa tape near a smooth white surface in a factory.

tesa®ACXplus Seal Line is an adhesive tape designed to resist extreme temperatures, UV, and chemicals; to significantly reduce vibrations and noise; optimize stress dissipation — and do all of that over the entire lifetime of the vehicle. 
 

Downloads
Door seal TI sheet
TI 74712 Door seal TI sheet PDF 118.8 kB
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Sunroof seals

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Window and waterbox seals

View technical specifications and test results, watch a webinar, or read our case study, to see why tesa® ACXplus Seal Line adhesive tapes should be in your consideration for window and waterbox seal mounting.

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