Electronics, PET, Tranparent, Double-sided
Product information

tesa® 68566

50µm double sided transparent differential filmic tape

Product description

tesa® 68566 is a transparent, double-sided self-adhesive tape consisting of a PET backing with a special removable adhesive on one side and a tackified acrylic adhesive on the other side.

tesa® 68566 features:

  • Thickness: 50µm
  • Low adhesion level on the open side, high adhesion level on the covered side
  • Excellent resistance to demanding environmental conditions
  • Very good handling performance in converting processes
  • Double-sided PET liner (36µm easy-release inside / 50µm tight-release outside)

Main applications

  • Mounting of two different substrates, where one is easy to adhere and the other one is difficult to adhere
  • Mounting of protection films that will be removed after transportation or storage

Technical properties

Backing material

PET film



Total thickness

50 µm

Type of adhesive

tackified acrylic

Elongation at break

50 %

Tensile strength

20 N/cm

Type of liner

PET film

Colour of liner


Type of liner - inside


Type of liner - outside


Colour of liner - inside


Colour of liner - outside


Adhesion properties

Adhesion to ABS (after 14 days)

1.9 N/cm

Adhesion to ABS (covered side, after 14 days)

7.8 N/cm

Adhesion to ABS (covered side, initial)

6.8 N/cm

Adhesion to ABS (initial)

1.7 N/cm

Adhesion to PC (after 14 days)

1.7 N/cm

Adhesion to PC (covered side, after 14 days)

9.5 N/cm

Adhesion to PC (covered side, initial)

8.3 N/cm

Adhesion to PC (initial)

1.7 N/cm

Adhesion to Steel (after 14 days)

1.5 N/cm

Adhesion to Steel (covered side, after 14 days)

8.6 N/cm

Adhesion to Steel (covered side, initial)

7 N/cm

Adhesion to Steel (initial)

1.4 N/cm

Rating properties

Temperature resistance short term

200 °C

Temperature resistance long term

100 °C



Ageing resistance (UV)


Humidity resistance


Resistance to chemicals


Static shear resistance at 23°C


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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