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.
Product details and specifications
Application Fields
- Splicing of paper and film
- Self-adhesive mounting of sanding discs
- General mounting on smooth surfaces
| Adhesive Type | natural rubber |
|---|---|
| Backing material | flat paper |
| Color | white |
| Color of liner | brown |
| Liner Type | glassine |
| Total thickness | 205 µm |
| Elongation at break | 3 % |
|---|---|
| Tensile strength | 48 N/cm |
| Tack | good |
| Softener resistance | medium |
| Static shear resistance at 40°C | very good |
| Humidity resistance | medium |
| Temperature resistance long term |
104 °F
40 °C |
| Temperature resistance short term |
230 °F
110 °C |
| Chemical Resistance | medium |
| Ageing resistance (UV) | medium |
| Adhesion to ABS (initial) |
2.57 lbs/in
4.5 N/cm |
|---|---|
| Adhesion to ABS (after 14 days) |
2.91 lbs/in
5.1 N/cm |
| Adhesion to Aluminium (initial) |
2.4 lbs/in
4.2 N/cm |
| Adhesion to Aluminium (after 14 days) |
2.57 lbs/in
4.5 N/cm |
| Adhesion to PC (initial) |
2.97 lbs/in
5.2 N/cm |
| Adhesion to PC (after 14 days) |
2.91 lbs/in
5.1 N/cm |
| Adhesion to PE (initial) |
1.94 lbs/in
3.4 N/cm |
| Adhesion to PE (after 14 days) |
1.88 lbs/in
3.3 N/cm |
| Adhesion to PET (initial) |
2.46 lbs/in
4.3 N/cm |
| Adhesion to PET (after 14 days) |
2.57 lbs/in
4.5 N/cm |
| Adhesion to PP (initial) |
2.63 lbs/in
4.6 N/cm |
| Adhesion to PP (after 14 days) |
2.86 lbs/in
5 N/cm |
| Adhesion to PS (initial) |
2.68 lbs/in
4.7 N/cm |
| Adhesion to PS (after 14 days) |
3.14 lbs/in
5.5 N/cm |
| Adhesion to PVC (initial) |
2.17 lbs/in
3.8 N/cm |
| Adhesion to PVC (after 14 days) |
2.57 lbs/in
4.5 N/cm |
| Adhesion to Steel (initial) |
2.97 lbs/in
5.2 N/cm |
| Adhesion to Steel (after 14 days) |
3.03 lbs/in
5.3 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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Last updated on Jun 18, 2026