Product Construction
| Backing material | PET film |
| Color | black |
| Total thickness | 80 µm |
| Type of adhesive | tackified acrylic |
tesa® 68785
80µm double sided black differential filmic tape
Product description
tesa® 68785 is a black, double-sided self-adhesive tape consisting of a black PET backing and a tackified acrylic adhesive.
The coating weight of the open side is higher than the coating weight of the covered side.
tesa® 68785 features esp.
- Thickness: 80μm
- High adhesion level on the open side, low adhesion level on the covered side
- Excellent resistance to demanding environmental conditions
- Very good handling performance in converting processes
Product details and specifications
Application Fields
- Mounting of two different substrates, where one is easy and the other difficult to adhere to
- Mounting of speaker mesh and metal housing
- Mounting of metal or plastic badges and signs
Product Construction
| Backing material | PET film |
| Color | black |
| Total thickness | 80 µm |
| Type of adhesive | tackified acrylic |
Properties / Performance Values
| Elongation at break | 50 % |
| Tensile strength | 20 N/cm |
| Tack | good |
| Temperature resistance long term | 100 °C |
| Humidity resistance | very good |
| Static shear resistance at 23°C | medium |
| Temperature resistance short term | 200 °C |
| Ageing resistance (UV) | very good |
Properties / Performance Values
| Elongation at break | 50 % |
| Tensile strength | 20 N/cm |
| Tack | good |
| Temperature resistance long term | 100 °C |
| Humidity resistance | very good |
| Static shear resistance at 23°C | medium |
| Temperature resistance short term | 200 °C |
| Ageing resistance (UV) | very good |
Adhesion to Values
| Adhesion to ABS (initial) | 7.4 N/cm |
| Adhesion to ABS (after 14 days) | 9.2 N/cm |
| Adhesion to ABS (covered side, initial) | 5.6 N/cm |
| Adhesion to ABS (covered side, after 14 days) | 6.9 N/cm |
| Adhesion to PC (initial) | 9.1 N/cm |
| Adhesion to PC (after 14 days) | 11 N/cm |
| Adhesion to PC (covered side, initial) | 7.2 N/cm |
| Adhesion to PC (covered side, after 14 days) | 8.8 N/cm |
| Adhesion to PE (initial) | 4.2 N/cm |
| Adhesion to PE (after 14 days) | 5.8 N/cm |
| Adhesion to PE (covered side, initial) | 3.4 N/cm |
| Adhesion to PE (covered side, after 14 days) | 3.5 N/cm |
| Adhesion to PET (initial) | 7.2 N/cm |
| Adhesion to PET (after 14 days) | 7.8 N/cm |
| Adhesion to PET (covered side, initial) | 5.2 N/cm |
| Adhesion to PET (covered side, after 14 days) | 5.7 N/cm |
| Adhesion to Steel (initial) | 9.5 N/cm |
| Adhesion to Steel (after 14 days) | 10.8 N/cm |
| Adhesion to Steel (covered side, initial) | 6.6 N/cm |
| Adhesion to Steel (covered side, after 14 days) | 8 N/cm |
Adhesion to Values
| Adhesion to ABS (initial) | 7.4 N/cm |
| Adhesion to ABS (after 14 days) | 9.2 N/cm |
| Adhesion to ABS (covered side, initial) | 5.6 N/cm |
| Adhesion to ABS (covered side, after 14 days) | 6.9 N/cm |
| Adhesion to PC (initial) | 9.1 N/cm |
| Adhesion to PC (after 14 days) | 11 N/cm |
| Adhesion to PC (covered side, initial) | 7.2 N/cm |
| Adhesion to PC (covered side, after 14 days) | 8.8 N/cm |
| Adhesion to PE (initial) | 4.2 N/cm |
| Adhesion to PE (after 14 days) | 5.8 N/cm |
| Adhesion to PE (covered side, initial) | 3.4 N/cm |
| Adhesion to PE (covered side, after 14 days) | 3.5 N/cm |
| Adhesion to PET (initial) | 7.2 N/cm |
| Adhesion to PET (after 14 days) | 7.8 N/cm |
| Adhesion to PET (covered side, initial) | 5.2 N/cm |
| Adhesion to PET (covered side, after 14 days) | 5.7 N/cm |
| Adhesion to Steel (initial) | 9.5 N/cm |
| Adhesion to Steel (after 14 days) | 10.8 N/cm |
| Adhesion to Steel (covered side, initial) | 6.6 N/cm |
| Adhesion to Steel (covered side, after 14 days) | 8 N/cm |
Additional Info
Liner variants:
PV40 white/red 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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