PRODUCT INFORMATIONtesa®4976
Double-sided PU-foam tape
Product Featurestesa®4976 is a double-sided tape consisting of a conformable black open cell PU-foam backing and a tackified acrylic adhesive.
tesa®4976 features especially:
- Good compensation for design tolerances
- Level out different thermal elongation of materials
- Shock absorption and sealing function
- High short term temperature resistance
Main Applications
- Fixing of mirrors, decorative profiles and signs
- Mounting of cable channels
Technical Data
| Backing material | PU foam |
| Colour | black |
| Total thickness | 540 µm |
| Type of adhesive | tackified acrylic |
| Elongation at break | 250 % |
| Tensile strength | 6.7 N/cm |
| Type of liner | glassine |
| Thickness of liner | 70 µm |
| Colour of liner | brown |
| Weight of liner | 80 g/m² |
Adhesion to
| Steel (initial) | 10 N/cm |
| ABS (initial) | 7 N/cm |
| Aluminium (initial) | 5 N/cm |
| PC (initial) | 8 N/cm |
| PE (initial) | 4.1 N/cm |
| PET (initial) | 5.5 N/cm |
| PP (initial) | 3.7 N/cm |
| PS (initial) | 5 N/cm |
| PVC (initial) | 5.5 N/cm |
| Steel (after 14 days) | 12 N/cm |
| ABS (after 14 days) | 12 N/cm |
| Aluminium (after 14 days) | 9 N/cm |
| PC (after 14 days) | 12 N/cm |
| PE (after 14 days) | 4.3 N/cm |
| PET (after 14 days) | 10 N/cm |
| PP (after 14 days) | 7.4 N/cm |
| PS (after 14 days) | 10 N/cm |
| PVC (after 14 days) | 12 N/cm |
Properties
| Temperature resistance short term | 200 °C |
| Temperature resistance long term | 80 °C |
| Tack | + |
| Ageing resistance (UV) | o |
| Humidity resistance | - |
| Resistance to chemicals | o |
| Softener resistance | o |
| Static shear resistance at 23°C | + |
| Static shear resistance at 40°C | + |
