tesa ® 66866

Product description

tesa ® 66866 is a white double-sided tape consisting of a shock absorbing PE-foam backing equipped with a high shock & anti-repulsion adhesive.

tesa ® 66866 features:
  • White color
  • Outstanding shock & push-out performance
  • Excellent anti-repulsion property to prevent lifting issue
  • Waterproof IPX8 to prevent water leakage
  • Good rework-ability

Main applications

  • TP mounting and back cover mounting in consumer electronics devices such like: smart phone, tablet, smart watch, TV, home appliance etc.

Technical properties

Total thickness

300 µm

Elongation at break

270 %



Type of adhesive

tackified acrylic

Backing material

PE foam

Tensile strength

16 N/cm

Adhesion properties

Adhesion to PMMA (initial)

14 N/cm

Adhesion to Steel (initial)

11.5 N/cm

Adhesion to PC (after 14 days)

16.5 N/cm

Adhesion to PE (initial)

5.5 N/cm

Adhesion to Steel (after 14 days)

14.5 N/cm

Adhesion to Glass (initial)

13 N/cm

Adhesion to ABS (initial)

10.5 N/cm

Adhesion to Glass (after 14 days)

15 N/cm

Adhesion to PC (initial)

13 N/cm

Adhesion to PE (after 14 days)

6.1 N/cm

Adhesion to PMMA (after 14 days)

16.5 N/cm

Adhesion to ABS (after 14 days)

13 N/cm

Rating properties

Humidity resistance


Static shear resistance at 23°C


Ageing resistance (UV)


Static shear resistance at 40°C


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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