tesa® 61526

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

  • 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

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).

Application Fields

  • 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

Product Construction

Thickness of easy release liner 50 µm
Thickness of tight release liner 50 µm
Type of liner (tight release) PET
Type of liner (easy release) PET
Total thickness 30 µm
Backing material PETP
Type of adhesive (tight release) modified acrylic
Color transparent

Properties / Performance Values

Static shear resistance at 23°C good
Color of liner (tight release) transparent
Humidity resistance good
Tack very good
Type of adhesive (easy release) silicone
Color of liner (easy release) white
Ageing resistance (UV) very good
Static shear resistance at 40°C medium

Adhesion to Values

Adhesion to PC (tight-side, after 14 days) 8.9 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
Adhesion to PP (14 days; easy) 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

Additional Info

This product information applies to PV11
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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