Product Construction
| Adhesive Type | tackified acrylic |
| Backing material | PET film |
| Color | black |
| Total thickness | 1.18 mils
30 µm |
tesa® 68740
30µm black d/s 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:
- Thickness: 30μm
- Good adhesion level
- Excellent resistance to demanding environmental conditions
- Excellent handling performance in converting processes
Product details and specifications
Application Fields
- Lamination of cushioning materials to LCDs
- Fixing of reflection foil to LCD frame
- Splicing of thin plastic films
Product Construction
| Adhesive Type | tackified acrylic |
| Backing material | PET film |
| Color | black |
| Total thickness | 1.18 mils
30 µm |
Properties / Performance Values
| Elongation at break | 50 % |
| Tensile strength | 11.42 lbs/in
20 N/cm |
| Softener resistance | good |
| Ageing resistance (UV) | very good |
| Temperature resistance short term | 392 °F
200 °C |
| Temperature resistance long term | 212 °F
100 °C |
| Tack | low |
| Humidity resistance | very good |
| Chemical Resistance | good |
| Static shear resistance at 23°C | very good |
| Static shear resistance at 40°C | good |
Properties / Performance Values
| Elongation at break | 50 % |
| Tensile strength | 11.42 lbs/in
20 N/cm |
| Softener resistance | good |
| Ageing resistance (UV) | very good |
| Temperature resistance short term | 392 °F
200 °C |
| Temperature resistance long term | 212 °F
100 °C |
| Tack | low |
| Humidity resistance | very good |
| Chemical Resistance | good |
| Static shear resistance at 23°C | very good |
| Static shear resistance at 40°C | good |
Adhesion to Values
| Adhesion to ABS (initial) | 2.51 lbs/in
4.4 N/cm |
| Adhesion to ABS (after 14 days) | 3.31 lbs/in
5.8 N/cm |
| Adhesion to Aluminium (initial) | 2.23 lbs/in
3.9 N/cm |
| Adhesion to Aluminium (after 14 days) | 3.03 lbs/in
5.3 N/cm |
| Adhesion to PC (initial) | 3.03 lbs/in
5.3 N/cm |
| Adhesion to PC (after 14 days) | 3.71 lbs/in
6.5 N/cm |
| Adhesion to PE (initial) | 0.86 lbs/in
1.5 N/cm |
| Adhesion to PE (after 14 days) | 1.14 lbs/in
2 N/cm |
| Adhesion to PET (initial) | 2.17 lbs/in
3.8 N/cm |
| Adhesion to PET (after 14 days) | 2.97 lbs/in
5.2 N/cm |
| Adhesion to PP (initial) | 0.8 lbs/in
1.4 N/cm |
| Adhesion to PP (after 14 days) | 1.6 lbs/in
2.8 N/cm |
| Adhesion to PS (initial) | 1.94 lbs/in
3.4 N/cm |
| Adhesion to PS (after 14 days) | 2.86 lbs/in
5 N/cm |
| Adhesion to PVC (initial) | 2.34 lbs/in
4.1 N/cm |
| Adhesion to PVC (after 14 days) | 4.17 lbs/in
7.3 N/cm |
| Adhesion to Steel (initial) | 2.57 lbs/in
4.5 N/cm |
| Adhesion to Steel (after 14 days) | 3.37 lbs/in
5.9 N/cm |
Adhesion to Values
| Adhesion to ABS (initial) | 2.51 lbs/in
4.4 N/cm |
| Adhesion to ABS (after 14 days) | 3.31 lbs/in
5.8 N/cm |
| Adhesion to Aluminium (initial) | 2.23 lbs/in
3.9 N/cm |
| Adhesion to Aluminium (after 14 days) | 3.03 lbs/in
5.3 N/cm |
| Adhesion to PC (initial) | 3.03 lbs/in
5.3 N/cm |
| Adhesion to PC (after 14 days) | 3.71 lbs/in
6.5 N/cm |
| Adhesion to PE (initial) | 0.86 lbs/in
1.5 N/cm |
| Adhesion to PE (after 14 days) | 1.14 lbs/in
2 N/cm |
| Adhesion to PET (initial) | 2.17 lbs/in
3.8 N/cm |
| Adhesion to PET (after 14 days) | 2.97 lbs/in
5.2 N/cm |
| Adhesion to PP (initial) | 0.8 lbs/in
1.4 N/cm |
| Adhesion to PP (after 14 days) | 1.6 lbs/in
2.8 N/cm |
| Adhesion to PS (initial) | 1.94 lbs/in
3.4 N/cm |
| Adhesion to PS (after 14 days) | 2.86 lbs/in
5 N/cm |
| Adhesion to PVC (initial) | 2.34 lbs/in
4.1 N/cm |
| Adhesion to PVC (after 14 days) | 4.17 lbs/in
7.3 N/cm |
| Adhesion to Steel (initial) | 2.57 lbs/in
4.5 N/cm |
| Adhesion to Steel (after 14 days) | 3.37 lbs/in
5.9 N/cm |
Additional Info
Liner variants:
PV20 brown/blue logo glassine paper (71μm; 82g/m²)
PV40 white/red logo glassine paper (71μm; 82g/m²)
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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