Product information

tesa® 4139

Product description

tesa® 4139 is a transparent tape with a PETP backing. Its silicone adhesive system offers excellent adhesion to ”non-stick”/siliconized surfaces.

Colour: Transparent

Main applications

The silicone release coating on the backing of tesa® 4139 makes it ideally suited for the splicing of paper and filmic release liners.
Its coating maintains the release properties of the liner materials in the splice area.
The very low thickness of tesa® 4139 makes it suitable splicing applications, for very sensitive machinery.


Technical properties

Total thickness

80 µm

Adhesion to steel

4.5 N/cm

Adhesion to silicone

3.5 N/cm

Elongation at break

40 %

Tensile strength

30 N/cm

Additional Info

The product's shelf-life is 6 months.

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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