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Product information

tesa® 61970

Double-sided box closure tape with fingerlift



Product description

tesa® 61970 is a transparent double-sided self-adhesive tape consisting of a PP-film backing and a tackified acrylic adhesive.

tesa® 61970 features especially:
  • Fast liner removal due to fingerlift
  • High initial adhesion for a fast closure process
  • Reliable bonding performance even at high temperature

Main applications

  • Closing of self-adhesive mail order boxes
  • Closing of CD and book cartons

Additional Info

Liner variants:
PV1 white glassine paper (84 µm)
PV6 red MOPP-film (80 µm)
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Technical properties

Elongation at break

150 %

Type of adhesive

tackified acrylic

Type of liner

glassine

Colour of liner

brown

Tensile strength

50 N/cm

Total thickness

220 µm

Thickness of liner

71 µm

Backing material

PP film

Color

transparent

Adhesion properties

Adhesion to Steel (initial)

13 N/cm

Adhesion to PE (initial)

5.4 N/cm

Adhesion to PC (after 14 days)

15 N/cm

Adhesion to PS (after 14 days)

13.4 N/cm

Adhesion to ABS (initial)

11.3 N/cm

Adhesion to ABS (after 14 days)

14.4 N/cm

Adhesion to PP (after 14 days)

8.8 N/cm

Adhesion to PET (after 14 days)

12.5 N/cm

Adhesion to Aluminium (after 14 days)

12.8 N/cm

Adhesion to PC (initial)

12.3 N/cm

Adhesion to PVC (initial)

10.5 N/cm

Adhesion to PE (after 14 days)

6.8 N/cm

Adhesion to PS (initial)

11.8 N/cm

Adhesion to PET (initial)

9.9 N/cm

Adhesion to Aluminium (initial)

10.2 N/cm

Adhesion to PP (initial)

6.8 N/cm

Adhesion to Steel (after 14 days)

13.5 N/cm

Adhesion to PVC (after 14 days)

17 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

130 °C

Softener resistance

+

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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