tesa® 4980
80µm double sided transparent filmic tape
Product Features- Good bonding strength to most common, smooth, even substrates
- Superior converting performance due to strong PET backing
- Initial repositioning in the assembly process due to reduced immediate contact adhesion
Product description
tesa® 4980 is a transparent, double-sided self-adhesive tape consisting of a PET backing and a tackified acrylic adhesive.
Product Features
- Good bonding strength to most common, smooth, even substrates
- Superior converting performance due to strong PET backing
- Initial repositioning in the assembly process due to reduced immediate contact adhesion
Application Fields
- Mounting of components in electronic devices
- Mounting of nameplates, badges and light signs
- Mounting of decorative profiles and mouldings in the furniture industry
Product Construction
| Backing material | PET film |
| Type of adhesive | tackified acrylic, acrylic, advanced acrylic, modified acrylic |
| Total thickness | 80 µm |
| Color | transparent, optically clear |
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 | good |
| Static shear resistance at 40°C | medium, good |
| Tack | good |
| Temperature resistance long term | 100 °C |
| Temperature resistance short term | 200 °C |
Adhesion to Values
| Adhesion to ABS (initial) | 6.5 N/cm |
| Adhesion to ABS (after 14 days) | 8 N/cm |
| Adhesion to Aluminium (initial) | 6.3 N/cm |
| Adhesion to Aluminium (after 14 days) | 8.5 N/cm |
| Adhesion to PC (initial) | 7.7 N/cm |
| Adhesion to PC (after 14 days) | 9.4 N/cm |
| Adhesion to PE (initial) | 4 N/cm |
| Adhesion to PE (after 14 days) | 4.6 N/cm |
| Adhesion to PET (initial) | 6.2 N/cm |
| Adhesion to PET (after 14 days) | 7.7 N/cm |
| Adhesion to PP (initial) | 3.4 N/cm |
| Adhesion to PP (after 14 days) | 6.1 N/cm |
| Adhesion to PS (initial) | 7 N/cm |
| Adhesion to PS (after 14 days) | 8.5 N/cm |
| Adhesion to PVC (initial) | 6.8 N/cm |
| Adhesion to PVC (after 14 days) | 10.7 N/cm |
| Adhesion to Steel (initial) | 8.6 N/cm |
| Adhesion to Steel (after 14 days) | 9.7 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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