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Product description
tesa® 4970 is a thick white double-sided self-adhesive tape consisting of a PVC-film backing and a tackified acrylic adhesive.tesa® 4970 features:
- Excellent combination of high tack and immediate adhesion
- High coating weight for good bonding performance on rough or dusty surfaces
- Suitable for long term applications
Main applications
- Mounting of plastic and wooden trims
- Mounting of decorative POS materials and displays
- Mounting of signs and scales
Technical properties
Elongation at break
20 %
Type of liner
glassine
Weight of liner
82 g/m²
Type of adhesive
tackified acrylic
Colour of liner
brown
Tensile strength
38 N/cm
Total thickness
225 µm
Thickness of liner
71 µm
Backing material
PVC film
Colour
white
Adhesion properties
Adhesion to Steel (initial)
13 N/cm
Adhesion to PE (initial)
8.5 N/cm
Adhesion to PC (after 14 days)
16.9 N/cm
Adhesion to PS (after 14 days)
15.2 N/cm
Adhesion to ABS (initial)
13.4 N/cm
Adhesion to PP (after 14 days)
10.8 N/cm
Adhesion to PET (after 14 days)
11.9 N/cm
Adhesion to Aluminium (after 14 days)
12.6 N/cm
Adhesion to PE (after 14 days)
9.1 N/cm
Adhesion to Aluminium (initial)
11.5 N/cm
Adhesion to ABS (after 14 days)
14.4 N/cm
Adhesion to PC (initial)
16.2 N/cm
Adhesion to PVC (initial)
12.4 N/cm
Adhesion to PS (initial)
14.7 N/cm
Adhesion to PET (initial)
11.5 N/cm
Adhesion to PP (initial)
9.7 N/cm
Adhesion to Steel (after 14 days)
13.6 N/cm
Adhesion to PVC (after 14 days)
16.6 N/cm
Rating properties
Static shear resistance at 23°C
+
Resistance to chemicals
+
Humidity resistance
++
Static shear resistance at 40°C
o
Tack
+
Ageing resistance (UV)
++
Temperature resistance long term
60 °C
Temperature resistance short term
70 °C
Softener resistance
+
Additional Info
A fingerlift version (extended liner), tesa® 7149, is also available.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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