tesa® 4820


Product details and specifications

Backing material PTFE film
Color blue-translucent
Total thickness 100 µm
Type of adhesive silicone
Elongation at break 105 %
Tensile strength 53 N/cm
Temperature resistance yes
Abrasion resistance very good
Temperature resistance short term 220 °C
Adhesion to steel 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

Name of product tesa® 4820 tesa® 4965 Original Next Gen tesa® 51865 Next Gen - Team 4965 Differential tesa® 75515 Next Gen - Team 4965 Transfer 125µm tesa® flameXtinct 45051 tesa® 4900 tesa® 64620 tesa® 6917 tesa® 88663 tesa® 6965 Next Gen - Team 4965 Fingerlift tesa® 51970
Total thickness
100 µm
205 µm
165 µm
125 µm
200 µm
50 µm
185 µm
90
150 µm
205 µm
220 µm
Type of adhesive
silicone
biomass-balanced tackified acrylic
tackified acrylic
tackified acrylic
FR acrylic
acrylic
synthetic rubber
tackified acrylic
tackified acrylic
tackified acrylic
tackified acrylic
Backing material
PTFE film
Post consumer recycled PET
PET film
none
PET
none
PP film
PP film
PET
PET film
PP film
Color
blue-translucent
transparent
transparent
transparent
transparent
white
transparent
transparent
transparent
transparent
Adhesion to Steel (initial)
11.5 N/cm
9.6 N/cm
14 N/cm
9 N/cm
3.4 N/cm
9.5 N/cm
8.2 N/cm
11.6 N/cm
11.5 N/cm
13 N/cm
Last updated on 25 Aug 2026