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tesa® 61526

30µm d/s Si/Ac-tape with different adhesive system (Silicone/Acrylic)

Product description

tesa® 61526 is a transparent double-sided tape with a PET-backing. One side is equipped with a silicone adhesive (easy side) and the other side is equipped with a modified acrylic (tight side).

Special features:
  • Excellent bonding properties of the silicone adhesive especially to silicone or silicone containing substrates
  • Excellent bonding properties of the acrylic adhesive to a wide range of materials
  • Very good handling performance in converting processes
  • Excellent resistance to demanding environmental conditions

Main applications

  • Mounting on silicone or silicone containing substrates
  • Fastening of silicone rubber (keypad, gasket, rubber feet)
  • Mounting of logos or deco parts on UV coated housing

Additional Info

This product information applies to PV11

Technical properties

Thickness of easy release liner

50 µm

Color of liner (tight release)


Thickness of tight release liner

50 µm

Type of adhesive (easy release)


Color of liner (easy release)


Type of liner (tight release)


Type of liner (easy release)


Total thickness

30 µm

Backing material


Type of adhesive (tight release)

modified acrylic



Adhesion properties

Adhesion to PC (tight-side, after 14 days)

7.7 N/cm

Adhesion to PC (tight-side, after 14 days)

8.9 N/cm

Adhesion to Silicone (easy-side, initial)

3 N/cm

Adhesion to Steel (tight-side, after 14 days)

7.7 N/cm

Adhesion to Steel (tight-side, initial)

6.8 N/cm

Adhesion to Silicone (easy-side, after 14 days)

4.5 N/cm

Adhesion to PP (easy-side, initial)

4.2 N/cm


4.5 N/cm

Adhesion to Steel (easy-side, initial)

4 N/cm

Adhesion to Steel (easy-side, after 14 days)

4.7 N/cm

Rating properties

Static shear resistance at 23°C


Humidity resistance




Ageing resistance (UV)


Static shear resistance at 40°C


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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