![[Master PI]](/en/files/images/201907/32/4976-master-pi,151934_fixedwidth_9.jpg "4976 [Master PI]")
[Master PI]
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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 benefits:
- 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 properties
Backing material
PU foam
Color
black
Total thickness
540 µm
Type of adhesive
tackified acrylic
Elongation at break
250 %
Tensile strength
6.66 N/cm
Type of liner
glassine
Colour of liner
brown
Thickness of liner
70 µm
Weight of liner
80 g/m²
Adhesion properties
Adhesion to ABS (after 14 days)
12 N/cm
Adhesion to ABS (initial)
7 N/cm
Adhesion to Aluminium (after 14 days)
9 N/cm
Adhesion to Aluminium (initial)
5 N/cm
Adhesion to PC (after 14 days)
12 N/cm
Adhesion to PC (initial)
8 N/cm
Adhesion to PE (after 14 days)
4.3 N/cm
Adhesion to PE (initial)
4.1 N/cm
Adhesion to PET (after 14 days)
10 N/cm
Adhesion to PET (initial)
5.5 N/cm
Adhesion to PP (after 14 days)
7.4 N/cm
Adhesion to PP (initial)
3.7 N/cm
Adhesion to PS (after 14 days)
10 N/cm
Adhesion to PS (initial)
5 N/cm
Adhesion to PVC (after 14 days)
12 N/cm
Adhesion to PVC (initial)
5.5 N/cm
Adhesion to Steel (after 14 days)
12 N/cm
Adhesion to Steel (initial)
10 N/cm
Rating 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
+
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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