tesa® 4820

PTFE tape with a silicone adhesive


Product Features
  • Excellent release properties due to PTFE surface and its low surface energy
  • Special silicone adhesive with well-balanced properties: Excellent adhesion level, residue free removable, no oozing at the edges
  • Smooth surface with low friction coefficient
All product features
Product description

tesa® 4820 is a premium single sided PTFE tape with silicone adhesive. This product is a self-adhesive and high performance tape for demanding applications, in which high temperature resistance, very good release properties and abrasion resistance is needed.


Product details and specifications

Product Features

  • Excellent release properties due to PTFE surface and its low surface energy
  • Special silicone adhesive with well-balanced properties: Excellent adhesion level, residue free removable, no oozing at the edges
  • Smooth surface with low friction coefficient
  • Enhanced mechanical stability and abrasion resistance
  • Tensilized material for high tensile strength
  • Excellent temperature resistance
  • Superior resistance against chemicals and solvents

Application Fields

  • Belt realization to avoid the just extruded PE edges sticking on the cylinders by laminating tesa® 4820 and tesa® 4830 together
  • Cylinder wrapping on the extrusion coating line next to the hole of the caps
  • High temperature, low friction, anti-stick properties for high end requirements
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 tesa® 75515 Next Gen - Team 4965 Transfer 125µm tesa® 4900 tesa® 64620 tesa® 4963 tesa® 6917 tesa® 64621 Industry tesa® 51970 tesa® 51966 tesa® 49652 - Team 4965 High Transparency
Total thickness
100 µm
205 µm
125 µm
50 µm
185 µm
107 µm
90
90 µm
220 µm
200 µm
205 µm
Type of adhesive
silicone
biomass-balanced tackified acrylic
tackified acrylic
acrylic
synthetic rubber
natural rubber
tackified acrylic
synthetic rubber
tackified acrylic
acrylic
tackified acrylic
Backing material
PTFE film
Post consumer recycled PET
none
none
PP film
PVC film
PP film
PP film
PP film
PET film
PET film
Color
blue-translucent
transparent
transparent
white
transparent
transparent
transparent
transparent
transparent
transparent
Adhesion to Steel (initial)
11.5 N/cm
14 N/cm
3.4 N/cm
9.5 N/cm
5.9 N/cm
8.2 N/cm
10 N/cm
13 N/cm
10.5 N/cm
11.5 N/cm
Last updated on 25 Aug 2026