Product information

tesa® 4976

Double-sided PU foam tape

Product description

tesa® 4976 is a double-sided tape consisting of a conformable black open cell PU foam backing and a tackified acrylic adhesive.

tesa® 4976 features:
  • Good compensation for design tolerances
  • Level out different thermal expansion 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 properties

Elongation at break

250 %

Type of liner


Weight of liner

80 g/m²

Type of adhesive

tackified acrylic

Colour of liner


Tensile strength

6.66 N/cm

Total thickness

540 µm

Thickness of liner

70 µm

Backing material

PU foam



Adhesion properties

Adhesion to Steel (initial)

10 N/cm

Adhesion to PE (initial)

4.1 N/cm

Adhesion to PC (after 14 days)

12 N/cm

Adhesion to PS (after 14 days)

10 N/cm

Adhesion to ABS (initial)

7 N/cm

Adhesion to PP (after 14 days)

7.4 N/cm

Adhesion to PET (after 14 days)

10 N/cm

Adhesion to Aluminium (after 14 days)

9 N/cm

Adhesion to PE (after 14 days)

4.3 N/cm

Adhesion to Aluminium (initial)

5 N/cm

Adhesion to ABS (after 14 days)

12 N/cm

Adhesion to PC (initial)

8 N/cm

Adhesion to PVC (initial)

5.5 N/cm

Adhesion to PS (initial)

5 N/cm

Adhesion to PET (initial)

5.5 N/cm

Adhesion to PP (initial)

3.7 N/cm

Adhesion to Steel (after 14 days)

12 N/cm

Adhesion to PVC (after 14 days)

12 N/cm

Rating properties

Static shear resistance at 23°C


Resistance to chemicals


Humidity resistance


Static shear resistance at 40°C




Ageing resistance (UV)


Temperature resistance long term

80 °C

Temperature resistance short term

200 °C

Softener resistance


Additional Info

Peel Adhesion:
- immediately: foam splits on Steel, Aluminium, ABS, PC, PS, PET, PVC
- after 14 days: foam splits 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.

Related products