tesa® 68540

30μm d/s filmic tape

Product description

tesa® 68540 is a transparent, double-sided self-adhesive tape consisting of a PET backing and a tackified acrylic adhesive.

tesa® 68540 features:
  • Thickness: 30μm
  • Good adhesion level
  • Excellent resistance to demanding environmental conditions
  • Excellent handling performance in converting processes

Application Fields

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

Product Construction

Backing material PET film
Color transparent
Total thickness 1.18 mils
30 µm
Type of adhesive tackified acrylic

Properties / Performance Values

Static shear resistance at 23°C good
Chemical resistance good
Humidity resistance very good
Tack low
Ageing resistance (UV) very good
Static shear resistance at 40°C good
Temperature resistance long term 212 °F
100 °C
Softener resistance good
Temperature resistance short term 392 °F
200 °C

Adhesion to Values

Adhesion to Steel (initial) 51.16 oz/in
5.6 N/cm
Adhesion to PE (initial) 20.1 oz/in
2.2 N/cm
Adhesion to PC (after 14 days) 70.35 oz/in
7.7 N/cm
Adhesion to PS (after 14 days) 56.64 oz/in
6.2 N/cm
Adhesion to ABS (initial) 46.59 oz/in
5.1 N/cm
Adhesion to ABS (after 14 days) 64.87 oz/in
7.1 N/cm
Adhesion to PP (after 14 days) 25.58 oz/in
2.8 N/cm
Adhesion to PET (after 14 days) 51.16 oz/in
5.6 N/cm
Adhesion to Aluminium (after 14 days) 58.47 oz/in
6.4 N/cm
Adhesion to PC (initial) 58.47 oz/in
6.4 N/cm
Adhesion to PVC (initial) 42.03 oz/in
4.6 N/cm
Adhesion to PE (after 14 days) 25.58 oz/in
2.8 N/cm
Adhesion to PS (initial) 37.46 oz/in
4.1 N/cm
Adhesion to PET (initial) 43.85 oz/in
4.8 N/cm
Adhesion to Aluminium (initial) 43.85 oz/in
4.8 N/cm
Adhesion to PP (initial) 13.7 oz/in
1.5 N/cm
Adhesion to Steel (after 14 days) 60.3 oz/in
6.6 N/cm
Adhesion to PVC (after 14 days) 70.35 oz/in
7.7 N/cm

Additional Info

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