tesa® 61970
220µm double sided PP film box sealing tape with fingerlift
Product Features- Fast liner removal due to fingerlift
- High initial adhesion for fast closure
- Reliable bonding performance even at high temperatures and on rough corrugated-board surfaces
Product description
tesa® 61970 is a transparent, double-sided tape consisting of a PP backing and a highly tackified acrylic adhesive. The double-sided filmic box-sealing tape has been designed for the closure of corrugated-board cartons and is recycling friendly according to the INGEDE method. The tackified acrylic adhesive provides reliable bonding performance even at high temperatures and on rough carboard surfaces. tesa® 61970 comes with a fingerlift (extended liner) for convenient liner removal.
Product Features
- Fast liner removal due to fingerlift
- High initial adhesion for fast closure
- Reliable bonding performance even at high temperatures and on rough corrugated-board surfaces
- Recycling friendly according to the INGEDE method
Application Fields
- tesa® 61970 is especially designed for the closure of corrugated-board cartons
- Self-adhesive mail-order boxes
- Closing CD and book cartons
Product Construction
| Type of liner | paper |
| Weight of liner | 102 g/m² |
| Backing material | PP film |
| Type of adhesive | tackified acrylic |
| Total thickness | 220 µm |
| Color | transparent |
| Color of liner | white |
| Thickness of liner | 84 µm |
Properties / Performance Values
| Elongation at break | 150 % |
| Tensile strength | 50 N/cm |
| Ageing resistance (UV) | good |
| Chemical resistance | good |
| Humidity resistance | very good |
| Softener resistance | good |
| Static shear resistance at 23°C | good |
| Static shear resistance at 40°C | good |
| Tack | good |
| Temperature resistance long term | 80 °C |
| Temperature resistance min. | -40 °C |
| Temperature resistance short term | 130 °C |
Adhesion to Values
| Adhesion to ABS (initial) | 12.5 N/cm |
| Adhesion to ABS (after 14 days) | 14.5 N/cm |
| Adhesion to Aluminium (initial) | 11.5 N/cm |
| Adhesion to Aluminium (after 14 days) | 12.5 N/cm |
| Adhesion to PC (initial) | 15 N/cm |
| Adhesion to PC (after 14 days) | 16.5 N/cm |
| Adhesion to PE (initial) | 7 N/cm |
| Adhesion to PE (after 14 days) | 8 N/cm |
| Adhesion to PET (initial) | 11 N/cm |
| Adhesion to PET (after 14 days) | 11.5 N/cm |
| Adhesion to PP (initial) | 8.5 N/cm |
| Adhesion to PP (after 14 days) | 10 N/cm |
| Adhesion to PS (initial) | 13 N/cm |
| Adhesion to PS (after 14 days) | 14.5 N/cm |
| Adhesion to PVC (initial) | 11.5 N/cm |
| Adhesion to PVC (after 14 days) | 17.5 N/cm |
| Adhesion to Steel (initial) | 13 N/cm |
| Adhesion to Steel (after 14 days) | 13.5 N/cm |
Additional Info
For spools, it is recommended to use tesa® dispensers to achieve optimal results.
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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