tesa® 7920

Product details and specifications

Adhesive Type acrylic
Backing material PET film
Color of liner transparent
Liner Type PET
Thickness of liner 50 µm
Total thickness 20 µm
Elongation at break 60 %
Tensile strength 8.7 N/cm
Temperature resistance short term 130 °C
Dielectric breakdown voltage 1,500 V
Temperature resistance long term 60 °C
Optical density 4
Adhesion to ABS (initial) 1.9 N/cm
Adhesion to ABS (after 14 days) 2.6 N/cm
Adhesion to Aluminium (initial) 1.9 N/cm
Adhesion to Aluminium (after 14 days) 2.6 N/cm
Adhesion to Glass (initial) 1.9 N/cm
Adhesion to Glass (after 14 days) 2.3 N/cm
Adhesion to PC (initial) 2 N/cm
Adhesion to PC (after 14 days) 2.8 N/cm
Adhesion to Steel (initial) 1.9 N/cm
Adhesion to Steel (after 14 days) 2.5 N/cm
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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Product comparison

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stack of three rectangular adhesive sheets in beige and black, shown in a layered arrangement on a white background (This text has been generated by AI)
tesa® 7920
stack of three rectangular adhesive sheets in beige and black, shown in a layered arrangement on a white background (This text has been generated by AI)
tesa® 7950
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tesa® 7905
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tesa® 67310
three layered adhesive sheets with a brown base, a white middle layer, and a cream top layer slightly peeled back on a white background (This text has been generated by AI)
tesa® 66320
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automotive-epowertrain-58346 72dpi
tesa® 58346
stack of three rectangular adhesive sheets in beige and black, shown in a layered arrangement on a white background (This text has been generated by AI)
tesa® 7910
Total thickness
20 µm
50 µm
100 µm
60 µm
5
30 µm
10 µm
20 µm
20 µm
90 µm
10 µm
Adhesive Type
acrylic
acrylic
acrylic
acrylic
acrylic
acrylic
acrylic
acrylic
acrylic
tackified acrylic
acrylic
Backing material
PET film
PET film
PET film
PET film
PET film
Polyimide
Polyimide
Polyimide
Polyimide
PET film
PET film
Temperature resistance short term
130 °C
130 °C
200 °C
200 °C
140 °C
140 °C
140 °C
140 °C
130 °C
Temperature resistance long term
60 °C
60 °C
100 °C
100 °C
85 °C
85 °C
85 °C
125 °C
60 °C
Dielectric breakdown voltage
1,500 V
4,500 V
7,500 V
5,000 V
700 V
3,600 V
1,500 V
3,600 V
2,400 V
12,000 V
1,500 V
Tensile strength
8.7 N/cm
36.7 N/cm
60 N/cm
30 N/cm
4
20 N/cm
20 N/cm
13 N/cm
8.7 N/cm
Last updated on 15 Jun 2026