tesa® ACXplus 74608 Seal Line

0.8 mm heat activatable acrylic foam tape for mounting seals e.g. for anti-pinch, sunroof and trunk-seal applications


Product Features
  • Efficient and secure bonding of the heat-activatable layer to seals
  • Enhanced temperature resistance
  • Robust shear performance even at high temperatures
All product features
Product description

tesa® ACXplus 74608 Seal Line is a deep black acrylic foam tape for permanent mounting of seals. It has a heat-activatable adhesive on the non-liner side. The adhesive gets activated by hot air or near-infrared when applying it onto the PP/EPDM, PP, TPV, or TPE seals.
Compared to the conventional process with primer, tesa® ACXplus 74608 Seal Line ensures a highly secure bond to the rubber profile, enables a higher application speed than using primer, and improves the operational safety during the production process.
The acrylic foam core ensures outstanding dimensional stability even at high temperatures and loads. At the same time, by its viscoelastic properties, tesa® ACXplus 74608 Seal Line absorbs and dissipates dynamic and static loads. This also allows compensation of extreme physical stress caused by the different thermal elongation of bonded parts in rapidly changing temperatures.
The pressure sensitive adhesive side exhibits high adhesion values by itself but is also compatible with tesa adhesion promoters tesa® 60151 and tesa® 60153.
The deep black color provides an enhanced appearance and high design flexibility.


Product details and specifications

Product Features

  • Efficient and secure bonding of the heat-activatable layer to seals
  • Enhanced temperature resistance
  • Robust shear performance even at high temperatures
  • PFAS / PFOS free product
  • Strong bonding of the heat-activatable layer to the acrylic core that withstands humidity and heat
  • Closed cell acrylic foam core for reliable sealing to prevent water penetration
  • High humidity and UV resistance
  • Excellent cold shock performance

Application Fields

tesa® ACXplus 74608 Seal Line can be widely used for all kinds of automotive seal applications within a temperature range of -40 °C to 90 °C.

  • PV29 = filmic liner in royal blue, siliconized to adhesive side and silicone free to tabbing side, works with both heat and adhesive tabbing tapes
  • Adhesion to glass: glass is primed with black 1K isocyanate primer; measured at 90°, 50mm/min.
  • Adhesion to steel: measured at 90°, 300 mm/min
  • T-Peel test: heat-activatable adhesive to standard TPE seal, 300 mm/min
  • Warm/humid storage: 72 h at 40°C and 100% r.h. test 30min after storage
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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