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Product description
The combination of the impregnated backing material with the high UV resistance facilitates multiple working processes in only one covering process.Main applications
This tape is especially suited for all renovation work, particularly for outdoor painting, facade renovation as well as for heat protection. tesa® 4438 is especially suitable for use water based acrylic paints. It can be used as a protection tape during transport or storage of products with valuable surfaces. tesa® 4438 is suitable for short term masking during wave soldering and other high temperature processes as well.
Technical properties
Elongation at break
5 %
Type of adhesive
acrylic
UV-resistance
12 weeks
Tensile strength
33 N/cm
Total thickness
167 µm
Backing material
flat paper
Adhesion to steel
4 N/cm
Rating properties
Conformability
+
Sharp colour edge
+
Suitable for sensitive surfaces
++
Hand tearability
++
Suitable for rough surfaces
+
Paint anchorage
++
Additional Info
The application of an adhesive tape on weathered surfaces may lead to residues during demasking. Therefore we strongly recommend a test application prior to use.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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