tesa® 66970
Product details and specifications
| Backing material | PU foam |
|---|---|
| Colour | black |
| Colour of liner | transparent |
| Thickness of liner | 50 µm |
| Total thickness | 900 |
| Type of adhesive | modified acrylic |
| Type of liner | PET |
| Static shear resistance at 40°C | very good |
|---|---|
| Humidity resistance | very good |
| Static shear resistance at 23°C | very good |
| Adhesion to Alu (covered side, after 3 days) | 9.5 N/cm |
|---|---|
| Adhesion to Aluminium (covered side, initial) | 7.5 N/cm |
| Adhesion to Steel (initial) | 5.5 N/cm |
| Adhesion to Steel (after 3 days) | 8 N/cm |
| Adhesion to Steel (covered side, after 3 days) | 10.5 N/cm |
| Adhesion to Steel (covered side, initial) | 7 N/cm |
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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Last updated on 12 Feb 2026