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tesa® 4720
Double-sided filmic tape with differential adhesive system
Product description
tesa® 4720 is a double-sided self-adhesive tape consisting of a transparent PET-film backing with different acrylic adhesive coat weights.tesa® 4720 features especially:
- Open side: high adhesion level / secure bond of different substrates
- Covered side: low adhesion level / residue free removability from different substrates
Main applications
- Mounting of LCD panel and backlight unit
Technical properties
Elongation at break
60 %
Type of adhesive (covered side)
acrylic
Type of adhesive
tackified acrylic
Type of liner
glassine
Colour of liner
yellow
Tensile strength
40 N/cm
Weight of liner
92 g/m²
Total thickness
100 µm
Thickness of liner
78 µm
Backing material
PET film
Color
transparent
Adhesion properties
Adhesion to PC (covered side, initial)
2.8 N/cm
Adhesion to PET (covered side, after 14 days)
2.8 N/cm
Adhesion to Steel (initial)
8.5 N/cm
Adhesion to PE (initial)
3.9 N/cm
Adhesion to PC (after 14 days)
12 N/cm
Adhesion to PS (after 14 days)
11 N/cm
Adhesion to Aluminium (covered side, initial)
1.7 N/cm
Adhesion to PS (covered side, initial)
2.2 N/cm
Adhesion to PE (covered side, after 14 days)
1.1 N/cm
Adhesion to ABS (initial)
7.1 N/cm
Adhesion to ABS (after 14 days)
10.2 N/cm
Adhesion to PP (after 14 days)
5.3 N/cm
Adhesion to PVC (covered side, initial)
3.6 N/cm
Adhesion to PET (after 14 days)
6.8 N/cm
Adhesion to Aluminium (after 14 days)
9.2 N/cm
Adhesion to ABS (covered side, after 14 days)
4.7 N/cm
Adhesion to PP (covered side, initial)
1.3 N/cm
Adhesion to PC (initial)
10.7 N/cm
Adhesion to PVC (initial)
8.6 N/cm
Adhesion to PE (covered side, initial)
0.7 N/cm
Adhesion to Steel (covered side, after 14 days)
5.7 N/cm
Adhesion to PET (covered side, initial)
1.8 N/cm
Adhesion to PE (after 14 days)
4.9 N/cm
Adhesion to PS (initial)
8.4 N/cm
Adhesion to ABS (covered side, initial)
2.7 N/cm
Adhesion to PET (initial)
7 N/cm
Adhesion to Alu (covered side, after 14 days)
4.8 N/cm
Adhesion to PC (covered side, after 14 days)
5.2 N/cm
Adhesion to Aluminium (initial)
7.5 N/cm
Adhesion to PS (covered side, after 14 days)
3.6 N/cm
Adhesion to PVC (covered side, after 14 days)
5.3 N/cm
Adhesion to PP (initial)
3.8 N/cm
Adhesion to Steel (after 14 days)
12.9 N/cm
Adhesion to Steel (covered side, initial)
4 N/cm
Adhesion to PVC (after 14 days)
11.5 N/cm
Adhesion to PP (covered side, after 14 days)
1.6 N/cm
Rating properties
Static shear resistance at 23°C
+
Humidity resistance
-
Tack
o
Temperature resistance long term
80 °C
Static shear resistance at 40°C
-
Temperature resistance short term
200 °C
Softener resistance
o
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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