tesa® 64621 Industry

Double-sided transparent self-adhesive tape

Product description

tesa® 64621 is a transparent double-sided self-adhesive tape consisting of a PP-carrier and a synthetic rubber adhesive mass system (hotmelt).

With the hotmelt adhesive, tesa® 64621 is solvent free and offers a very high tack.

tesa® 64621 is protected by a siliconized paper liner.

Application Fields

  • General purpose fixing tape

  • Self-adhesive mounting of decorative and packaging materials

  • Bonding of foils, fabrics, paper and plastic materials

Product Construction

Backing material PP film
Type of adhesive synthetic rubber
Type of liner glassine
Total thickness 90 µm
Color transparent
Colour of liner yellow
Thickness of liner 70 µm
Weight of liner 78 g/m²

Properties / Performance Values

Elongation at break 140 %
Ageing resistance (UV) medium
Fogging very good
Humidity resistance good
Static shear resistance at 23°C medium
Static shear resistance at 40°C low
Tack good
Temperature resistance long term 40 °C
Temperature resistance short term 80 °C

Adhesion to Values

Adhesion to PE (initial) 5 N/cm
Adhesion to PE (after 14 days) 6.5 N/cm
Adhesion to PP (initial) 8 N/cm
Adhesion to PP (after 14 days) 9 N/cm
Adhesion to PVC (initial) 9 N/cm
Adhesion to PVC (after 14 days) 9.5 N/cm
Adhesion to Steel (initial) 10 N/cm
Adhesion to Steel (after 14 days) 15 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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