tesa® 4428


Product details and specifications

Backing material Polyimide
Total thickness 60 µm
Type of adhesive silicone
Elongation at break 50 %
Tensile strength 45 N/cm
Temperature resistance (30 min) 260 °C
Insulation class H
Dielectric breakdown voltage 6,000 V
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® 4428 tesa® 4331 tesa® 50620 tesa® 61124 tesa® 50600 Standard tesa® 51407 tesa® 51408 tesa® 50650 Conformable tesa® 4831 tesa® 61126 tesa® 50625
Total thickness
60 µm
110 µm
70 µm
60 µm
80 µm
62 µm
65 µm
55 µm
125 µm
125 µm
50
Type of adhesive
silicone
silicone
silicone
silicone
silicone
silicone
silicone
silicone
acrylic
silicone
silicone
Backing material
Polyimide
PET / non-woven
PET
PETP
PET
Polyimide
Polyimide
PETP
PET / non-woven
PETP
PET
Adhesion to steel
2.5 N/cm
4 N/cm
3.6 N/cm
3.5 N/cm
4 N/cm
2.5 N/cm
2.8 N/cm
3.3 N/cm
3.5 N/cm
4.3 N/cm
3.2 N/cm
Last updated on 27 Jul 2026