tesa® 61908

Double-sided filmic bag sealing tape with fingerlift

  • Secure bond on PE and PP
  • Red PP-film liner can be easily cut with common hot wire systems

Product description

tesa® 61908 is a transparent double-sided tape consisting of a PP-film backing and a tackified acrylic adhesive.

Application Fields

  • Permanent bag sealing for PE/PP and polymer bags
  • Permanent bag sealing for medical pouches

Product Construction

Elongation at break 140 %
Type of liner PP
Backing material PP film
Type of adhesive tackified acrylic
Color of liner red
Tensile strength 20 N/cm
Total thickness 100 µm
Thickness of liner 80 µm
Color transparent

Properties / Performance Values

Temperature resistance long term 80 °C
Temperature resistance short term 120 °C

Adhesion to Values

Adhesion to Steel (initial) 8.7 N/cm
Adhesion to PE (initial) 3.5 N/cm
Adhesion to PC (after 14 days) 11.3 N/cm
Adhesion to PS (after 14 days) 10.7 N/cm
Adhesion to ABS (initial) 7.9 N/cm
Adhesion to PP (after 14 days) 6.2 N/cm
Adhesion to PET (after 14 days) 8.5 N/cm
Adhesion to Aluminium (after 14 days) 9.7 N/cm
Adhesion to PE (after 14 days) 4.3 N/cm
Adhesion to Aluminium (initial) 6.6 N/cm
Adhesion to Steel (initial) 8.7 N/cm
Adhesion to ABS (after 14 days) 10.7 N/cm
Adhesion to PC (initial) 8.5 N/cm
Adhesion to PVC (initial) 6.8 N/cm
Adhesion to PS (initial) 7.2 N/cm
Adhesion to PET (initial) 6 N/cm
Adhesion to PP (initial) 5.1 N/cm
Adhesion to Steel (after 14 days) 13.7 N/cm
Adhesion to PVC (after 14 days) 11.5 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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