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tesa® 64908

0.8 mm double-sided PE foam tape for primerless mounting of automotive exterior and interior parts



Product description

tesa® 64908 is a double-sided adhesive tape consisting of a conformable black PE foam backing and a LSE adhesive. With a thickness of 0.8 mm, it is suitable for mounting of small parts, like emblem and entry trim.

The LSE adhesive features a high initial adhesion to LSE clear coats and LSE plastics like PP and PP/EPDM, and MSE plastics like ABS and PC without using primer. It reaches ultimate peel adhesion level right after application. Additionally, it even provides near to ultimate performance at an application temperature as low as 5°C. The impressive cold shock performance results from the damping properties of the PE foam backing even at temperatures below -40°C.

Due to its high conformability, the tape ensures a good wet out and secure bonding also on uneven surfaces and compensates for design tolerances. The PE foam backing also provides non-sticky edges resulting in excellent converting properties, e.g. for die cutting. Additionally, the tape combines high cohesive strength with a comparatively low density contributing positively to a low weight design.

Main features:
  • High initial adhesion to LSE and MSE surfaces without primer
  • Near to ultimate peel adhesion level right after application
1  Good performance at an application temperature as low as 5°C
  • Conformable foam backing to compensate design tolerances or uneven surfaces
  • Reliable performance at higher temperatures
  • Excellent converting properties

LSE: low surface energy
MSE: medium surface energy

Main applications

tesa® 64908 is suitable for mounting a wide range of small exterior and interior trims and parts.

Example applications are:
  • Small decorative exterior and interior trims
  • Emblems
  • Lettering like single letters for classification of car models or engine data

To ensure the highest performance possible, our aim is to fully understand your application (including the substrates involved) in order to provide the right product recommendation

Additional Info

Liner variants:
PV0 brown glassine (69 μm)

Peel Adhesion:
- initial and after 14 days: foam splitting on Steel and PP

Technical properties

Elongation at break

390 %

Type of adhesive

LSE

Type of liner

glassine

Colour of liner

brown

Tensile strength

8 N/cm

Thickness of liner

69 µm

Backing material

PE foam

Color

black

Total thickness (mm)

0.8 mm

Adhesion properties

Adhesion to Steel (initial)

19 N/cm

Adhesion to PP (after 14 days)

19 N/cm

Adhesion to PP (initial)

19 N/cm

Adhesion to Steel (after 14 days)

19 N/cm

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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