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tesa® 4961
Double-sided tape with paper backing
Product description
tesa® 4961 consists of a natural rubber adhesive and special paper backing. The ”hard” adhesive system provides good shear resistance and can also be removed without leaving adhesive residues.
Application Fields
- Splicing of paper and film
- Self-adhesive mounting of sanding discs
- General mounting on smooth surfaces
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Product Construction
| Type of adhesive | natural rubber |
| Type of liner | glassine |
| Colour of liner | brown |
| Total thickness | 205 µm |
| Backing material | flat paper |
| Colour | white |
Properties / Performance Values
| Elongation at break | 3 % |
| Chemical resistance | medium |
| Humidity resistance | medium |
| Tack | good |
| Tensile strength | 90 N/cm |
| Ageing resistance (UV) | medium |
| Static shear resistance at 40°C | very good |
| Temperature resistance long term duration | 40 °C |
| Softener resistance | medium |
| Temperature resistance short term duration | 110 °C |
Adhesion to Values
| Adhesion to Steel (initial) | 7.8 N/cm |
| Adhesion to PE (initial) | 3.9 N/cm |
| Adhesion to PC (after 14 days) | 7.5 N/cm |
| Adhesion to PS (after 14 days) | 7.7 N/cm |
| Adhesion to ABS (initial) | 6 N/cm |
| Adhesion to ABS (after 14 days) | 6.6 N/cm |
| Adhesion to PP (after 14 days) | 6.7 N/cm |
| Adhesion to PET (after 14 days) | 5.8 N/cm |
| Adhesion to Aluminium (after 14 days) | 6.6 N/cm |
| Adhesion to PC (initial) | 7.3 N/cm |
| Adhesion to PVC (initial) | 6.2 N/cm |
| Adhesion to PE (after 14 days) | 4.1 N/cm |
| Adhesion to PS (initial) | 7 N/cm |
| Adhesion to PET (initial) | 5.7 N/cm |
| Adhesion to Aluminium (initial) | 6.1 N/cm |
| Adhesion to PP (initial) | 5.4 N/cm |
| Adhesion to Steel (after 14 days) | 8 N/cm |
| Adhesion to PVC (after 14 days) | 6.3 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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