tesa® 68740

30µm double sided black filmic tape



Product description

tesa® 68740 is a black, double-sided self-adhesive tape consisting of a black PET backing and a tackified acrylic adhesive.

tesa® 68740 features esp.
  • Thickness: 30μm
  • Good adhesion level
  • Excellent resistance to demanding environmental conditions
  • Excellent handling performance in converting processes

Main applications

  • Lamination of cushioning materials to LCDs
  • Fixing of reflection foil to LCD frame
  • Splicing of thin plastic films

Additional Info

Liner variants:
PV20 brown/blue logo glassine paper (71μm; 82g/m²)

Technical properties

Total thickness

30 µm

Elongation at break

50 %

Color

black

Type of adhesive

tackified acrylic

Backing material

PET film

Tensile strength

20 N/cm

Adhesion properties

Adhesion to Steel (initial)

4.5 N/cm

Adhesion to PC (after 14 days)

6.5 N/cm

Adhesion to PE (initial)

1.5 N/cm

Adhesion to Steel (after 14 days)

5.9 N/cm

Adhesion to PS (after 14 days)

5 N/cm

Adhesion to PET (after 14 days)

5.2 N/cm

Adhesion to Aluminium (after 14 days)

5.3 N/cm

Adhesion to ABS (initial)

4.4 N/cm

Adhesion to PP (initial)

1.4 N/cm

Adhesion to PC (initial)

5.3 N/cm

Adhesion to PE (after 14 days)

2 N/cm

Adhesion to PVC (initial)

4.1 N/cm

Adhesion to PET (initial)

3.8 N/cm

Adhesion to Aluminium (initial)

3.9 N/cm

Adhesion to PS (initial)

3.4 N/cm

Adhesion to ABS (after 14 days)

5.8 N/cm

Adhesion to PVC (after 14 days)

7.3 N/cm

Adhesion to PP (after 14 days)

2.8 N/cm

Rating properties

Humidity resistance

++

Tack

-

Static shear resistance at 23°C

++

Softener resistance

+

Resistance to chemicals

+

Ageing resistance (UV)

++

Static shear resistance at 40°C

+

Temperature resistance short term

200 °C

Temperature resistance long term

100 °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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