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tesa® 51908
Double-sided filmic tape
Product description
tesa® 51908 is a transparent double-sided tape consisting of a PP-film backing and a tackified acrylic adhesive.
tesa® 51908 features:
tesa® 51908 features:
- Secure bond on PE and PP
- Product can be easily cut with common hot wire systems
Application Fields
- Permanent bag sealing for PE/PP and polymer bags
- Permanent bag sealing for medical pouches
Product Construction
| Type of adhesive | tackified acrylic, acrylic, advanced acrylic, modified acrylic |
| Type of liner | MOPP |
| Colour of liner | red, transparent |
| Weight of liner | 72 g/m² |
| Total thickness | 100 µm |
| Thickness of liner | 80 µm |
| Backing material | PP film |
| Colour | transparent, optically clear |
Properties / Performance Values
| Elongation at break | 140 % |
| Static shear resistance at 23°C | good |
| Chemical resistance | good |
| Humidity resistance | very good |
| Tack | good |
| Tensile strength | 20 N/cm |
| Ageing resistance (UV) | very good |
| Static shear resistance at 40°C | good |
| Temperature resistance long term duration | 80 °C |
| Softener resistance | medium, good |
| Temperature resistance short term duration | 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 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 |
Additional Info
Liner variants:
PV0 red MOPP film (80 µm)
PV1 brown glassine paper (71 µm)
A fingerlift version (extended liner), tesa® 61908, is also available.
PV0 red MOPP film (80 µm)
PV1 brown glassine paper (71 µm)
A fingerlift version (extended liner), tesa® 61908, is also available.
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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