tesa® 68785

80µm double sided black differential filmic tape

Product description

tesa® 68785 is a black, double-sided self-adhesive tape consisting of a black PET backing and a tackified acrylic adhesive.
The coating weight of the open side is higher than the coating weight of the covered side.

tesa® 68785 features esp.
  • Thickness: 80μm

  • High adhesion level on the open side, low adhesion level on the covered side

  • Excellent resistance to demanding environmental conditions

  • Very good handling performance in converting processes

Main applications

  • Mounting of two different substrates, where one is easy and the other difficult to adhere to

  • Mounting of speaker mesh and metal housing

  • Mounting of metal or plastic badges and signs

Technical properties

Elongation at break

50 %

Type of adhesive

tackified acrylic

Tensile strength

20 N/cm

Total thickness

80 µm

Backing material

PET film



Adhesion properties

Adhesion to PC (covered side, initial)

7.2 N/cm

Adhesion to PET (covered side, after 14 days)

5.7 N/cm

Adhesion to Steel (initial)

9.5 N/cm

Adhesion to PE (initial)

4.2 N/cm

Adhesion to PC (after 14 days)

11 N/cm

Adhesion to PE (covered side, after 14 days)

3.5 N/cm

Adhesion to ABS (initial)

7.4 N/cm

Adhesion to ABS (after 14 days)

9.2 N/cm

Adhesion to PET (after 14 days)

7.8 N/cm

Adhesion to ABS (covered side, after 14 days)

6.9 N/cm

Adhesion to PC (initial)

9.1 N/cm

Adhesion to PE (covered side, initial)

3.4 N/cm

Adhesion to Steel (covered side, after 14 days)

8 N/cm

Adhesion to PET (covered side, initial)

5.2 N/cm

Adhesion to PE (after 14 days)

5.8 N/cm

Adhesion to ABS (covered side, initial)

5.6 N/cm

Adhesion to PET (initial)

7.2 N/cm

Adhesion to PC (covered side, after 14 days)

8.8 N/cm

Adhesion to Steel (after 14 days)

10.8 N/cm

Adhesion to Steel (covered side, initial)

6.6 N/cm

Rating properties

Static shear resistance at 23°C


Humidity resistance




Ageing resistance (UV)


Temperature resistance long term

100 °C

Temperature resistance short term

200 °C

Additional Info

Liner variants:
PV40 white/red logo glassine paper (71μm; 82g/m²)

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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