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Product information

tesa® 61908

Double-sided filmic bag sealing tape with fingerlift



Product description

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

tesa® 61908 features:
  • Secure bond on PE and PP
  • Red PP-filmic liner can be easily cut with common hot wire systems

Main applications

  • Permanent bag sealing for PE/PP and polymer bags
  • Permanent bag sealing for medical pouches
tesa_red_spool_ds_pr_003_fullsize

tesa_red_spool_ds_pr_003_fullsize

Technical properties

Elongation at break

140 %

Type of adhesive

tackified acrylic

Type of liner

PP

Colour of liner

red

Tensile strength

20 N/cm

Total thickness

100 µm

Thickness of liner

80 µm

Backing material

PP film

Colour

transparent

Adhesion properties

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 ABS (after 14 days)

10.7 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 PC (initial)

8.5 N/cm

Adhesion to PVC (initial)

6.8 N/cm

Adhesion to PE (after 14 days)

4.3 N/cm

Adhesion to PS (initial)

7.2 N/cm

Adhesion to PET (initial)

6 N/cm

Adhesion to Aluminium (initial)

6.6 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

Rating properties

Static shear resistance at 23°C

+

Resistance to chemicals

+

Humidity resistance

++

Tack

+

Ageing resistance (UV)

++

Temperature resistance long term

80 °C

Static shear resistance at 40°C

+

Temperature resistance short term

120 °C

Softener resistance

o

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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