tesa® 4976
540 µm double sided PU foam tape
Product Features- Good compensation for design tolerances
- Level out different thermal elongation of materials
- Shock absorption and sealing function
Product description
tesa® 4976 is a double sided tape consisting of a conformable black open cell PU foam backing and a tackified acrylic adhesive.
Product Features
- Good compensation for design tolerances
- Level out different thermal elongation of materials
- Shock absorption and sealing function
- High short term temperature resistance
Application Fields
- Fixing of mirrors, decorative profiles and signs
- Mounting of cable channels
Product Construction
| Type of liner | glassine |
| Weight of liner | 80 g/m² |
| Backing material | PU foam |
| Type of adhesive | tackified acrylic, acrylic, advanced acrylic, modified acrylic |
| Total thickness | 540 µm |
| Color | black, beige |
| Color of liner | brown |
| Thickness of liner | 70 µm |
Properties / Performance Values
| Elongation at break | 250 % |
| Tensile strength | 6.66 N/cm |
| Ageing resistance (UV) | medium, good |
| Chemical resistance | medium, good |
| Humidity resistance | low |
| Softener resistance | medium, good |
| Static shear resistance at 23°C | good |
| Static shear resistance at 40°C | good |
| Tack | good |
| Temperature resistance long term | 80 °C |
| Temperature resistance short term | 200 °C |
Adhesion to Values
| Adhesion to ABS (initial) | 7 N/cm |
| Adhesion to ABS (after 14 days) | 12 N/cm |
| Adhesion to Aluminium (initial) | 5 N/cm |
| Adhesion to Aluminium (after 14 days) | 9 N/cm |
| Adhesion to PC (initial) | 8 N/cm |
| Adhesion to PC (after 14 days) | 12 N/cm |
| Adhesion to PE (initial) | 4.1 N/cm |
| Adhesion to PE (after 14 days) | 4.3 N/cm |
| Adhesion to PET (initial) | 5.5 N/cm |
| Adhesion to PET (after 14 days) | 10 N/cm |
| Adhesion to PP (initial) | 3.7 N/cm |
| Adhesion to PP (after 14 days) | 7.4 N/cm |
| Adhesion to PS (initial) | 5 N/cm |
| Adhesion to PS (after 14 days) | 10 N/cm |
| Adhesion to PVC (initial) | 5.5 N/cm |
| Adhesion to PVC (after 14 days) | 12 N/cm |
| Adhesion to Steel (initial) | 10 N/cm |
| Adhesion to Steel (after 14 days) | 12 N/cm |
Additional Info
Peel Adhesion:
- immediately: foam splitting on Steel, Aluminium, ABS, PC, PS, PET, PVC
- after 14 days: foam splitting on Steel, Aluminium, ABS, PC, PS, PET, PVC
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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