tesa® 68740
30µm double sided black filmic tape
Product Features- Thickness: 30μm
- Good adhesion level
- Excellent resistance to demanding environmental conditions
Product description
tesa® 68740 is a black, double-sided self-adhesive tape consisting of a black PET backing and a tackified acrylic adhesive.
Product 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 | black, beige |
| Total thickness | 30 µm |
| Type of adhesive | tackified acrylic, acrylic, advanced acrylic, modified acrylic |
Properties / Performance Values
| Elongation at break | 50 % |
| Tensile strength | 20 N/cm |
| Ageing resistance (UV) | very good |
| Chemical resistance | good |
| Humidity resistance | very good |
| Softener resistance | good |
| Static shear resistance at 23°C | very good |
| Static shear resistance at 40°C | good |
| Tack | low |
| Temperature resistance long term | 100 °C |
| Temperature resistance short term | 200 °C |
Adhesion to Values
| Adhesion to ABS (after 14 days) | 5.8 N/cm |
| Adhesion to Aluminium (initial) | 3.9 N/cm |
| Adhesion to Aluminium (after 14 days) | 5.3 N/cm |
| Adhesion to PC (initial) | 5.3 N/cm |
| Adhesion to PC (after 14 days) | 6.5 N/cm |
| Adhesion to PE (initial) | 1.5 N/cm |
| Adhesion to PE (after 14 days) | 2 N/cm |
| Adhesion to PET (initial) | 3.8 N/cm |
| Adhesion to PET (after 14 days) | 5.2 N/cm |
| Adhesion to PP (initial) | 1.4 N/cm |
| Adhesion to PP (after 14 days) | 2.8 N/cm |
| Adhesion to PS (initial) | 3.4 N/cm |
| Adhesion to PS (after 14 days) | 5 N/cm |
| Adhesion to PVC (initial) | 4.1 N/cm |
| Adhesion to PVC (after 14 days) | 7.3 N/cm |
| Adhesion to Steel (initial) | 4.5 N/cm |
| Adhesion to Steel (after 14 days) | 5.9 N/cm |
| Adhesion to ABS (initial) | 4.4 N/cm |
Additional Info
Liner variants:
PV20 brown/blue logo glassine paper (71μm; 82g/m²)
PV20 brown/blue 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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