![[Master PI]](/en/files/images/201807/17/68740-master-pi,153652_fixedwidth_1.jpg "68740 [Master PI]")
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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
Technical properties
Backing material
PET film
Color
black
Total thickness
30 µm
Type of adhesive
tackified acrylic
Elongation at break
50 %
Tensile strength
20 N/cm
Adhesion properties
Adhesion to ABS (after 14 days)
5.8 N/cm
Adhesion to ABS (initial)
4.4 N/cm
Adhesion to Aluminium (after 14 days)
5.3 N/cm
Adhesion to Aluminium (initial)
3.9 N/cm
Adhesion to PC (after 14 days)
6.5 N/cm
Adhesion to PC (initial)
5.3 N/cm
Adhesion to PE (after 14 days)
2 N/cm
Adhesion to PE (initial)
1.5 N/cm
Adhesion to PET (after 14 days)
5.2 N/cm
Adhesion to PET (initial)
3.8 N/cm
Adhesion to PP (after 14 days)
2.8 N/cm
Adhesion to PP (initial)
1.4 N/cm
Adhesion to PS (after 14 days)
5 N/cm
Adhesion to PS (initial)
3.4 N/cm
Adhesion to PVC (after 14 days)
7.3 N/cm
Adhesion to PVC (initial)
4.1 N/cm
Adhesion to Steel (after 14 days)
5.9 N/cm
Adhesion to Steel (initial)
4.5 N/cm
Rating properties
Temperature resistance short term
200 °C
Temperature resistance long term
100 °C
Tack
-
Ageing resistance (UV)
++
Humidity resistance
++
Resistance to chemicals
+
Softener resistance
+
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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