Product Construction
| Adhesive Type | tackified acrylic |
| Backing material | PET |
| Color | transparent |
| Color of liner | brown/blue logo |
| Liner Type | glassine |
| Thickness of liner | 69 µm |
| Total thickness | 50 µm |
| Weight of liner | 80 g/m² |
tesa® 4945
50µm double-sided transparent PET film tape
Product Features
- In accordance with UL standard 969
- Skin contact certification according to ISO 10993-5 and ISO 10993-10
- Reliable bond, often also on low surface energy surfaces
Product description
tesa® 4945 is a transparent, double-sided industrial mounting tape consisting of a PET backing and a tackified acrylic adhesive. The double-sided mounting tape is used in various different industries, frequently used for bonding of metal or plastic badges and signs or lamination of foams. tesa® 4945 is able to withstand numerous environmental factors such as humidity, UV light, and temperatures of up to 200°C for limited periods of time. The tackified acrylic adhesive offers excellent hold on various surfaces, high tack, and good shear strength.
Product details and specifications
Product Features
- In accordance with UL standard 969
- Skin contact certification according to ISO 10993-5 and ISO 10993-10
- Reliable bond, often also on low surface energy surfaces
- Immediate usability right after assembly
- Low VOC – measured according to VDA 278 analysis
Application Fields
- tesa® 4945 is used in different industries
- Frequently used for mounting metal or plastic badges and signs
- Lamination of foams
Product Construction
| Adhesive Type | tackified acrylic |
| Backing material | PET |
| Color | transparent |
| Color of liner | brown/blue logo |
| Liner Type | glassine |
| Thickness of liner | 69 µm |
| Total thickness | 50 µm |
| Weight of liner | 80 g/m² |
Properties / Performance Values
| Elongation at break | 50 % |
| Tensile strength | 20 N/cm |
| Static shear resistance at 23°C | good |
| Static shear resistance at 40°C | good |
| Temperature resistance long term | 100 °C |
| Temperature resistance short term | 200 °C |
| Humidity resistance | very good |
| Softener resistance | good |
| Ageing resistance (UV) | good |
| Chemical Resistance | good |
| Low VOC | yes |
Properties / Performance Values
| Elongation at break | 50 % |
| Tensile strength | 20 N/cm |
| Static shear resistance at 23°C | good |
| Static shear resistance at 40°C | good |
| Temperature resistance long term | 100 °C |
| Temperature resistance short term | 200 °C |
| Humidity resistance | very good |
| Softener resistance | good |
| Ageing resistance (UV) | good |
| Chemical Resistance | good |
| Low VOC | yes |
Adhesion to Values
| Adhesion to ABS (initial) | 5.3 N/cm |
| Adhesion to ABS (after 14 days) | 6.5 N/cm |
| Adhesion to Aluminium (initial) | 5.2 N/cm |
| Adhesion to Aluminium (after 14 days) | 7.7 N/cm |
| Adhesion to PC (initial) | 6.5 N/cm |
| Adhesion to PC (after 14 days) | 8.6 N/cm |
| Adhesion to PE (initial) | 3.1 N/cm |
| Adhesion to PE (after 14 days) | 3.5 N/cm |
| Adhesion to PET (initial) | 5.3 N/cm |
| Adhesion to PET (after 14 days) | 7 N/cm |
| Adhesion to PP (initial) | 3 N/cm |
| Adhesion to PP (after 14 days) | 4.8 N/cm |
| Adhesion to PS (initial) | 5.4 N/cm |
| Adhesion to PS (after 14 days) | 7.1 N/cm |
| Adhesion to PVC (initial) | 5.7 N/cm |
| Adhesion to PVC (after 14 days) | 9.4 N/cm |
| Adhesion to Steel (initial) | 7 N/cm |
| Adhesion to Steel (after 14 days) | 9.6 N/cm |
Adhesion to Values
| Adhesion to ABS (initial) | 5.3 N/cm |
| Adhesion to ABS (after 14 days) | 6.5 N/cm |
| Adhesion to Aluminium (initial) | 5.2 N/cm |
| Adhesion to Aluminium (after 14 days) | 7.7 N/cm |
| Adhesion to PC (initial) | 6.5 N/cm |
| Adhesion to PC (after 14 days) | 8.6 N/cm |
| Adhesion to PE (initial) | 3.1 N/cm |
| Adhesion to PE (after 14 days) | 3.5 N/cm |
| Adhesion to PET (initial) | 5.3 N/cm |
| Adhesion to PET (after 14 days) | 7 N/cm |
| Adhesion to PP (initial) | 3 N/cm |
| Adhesion to PP (after 14 days) | 4.8 N/cm |
| Adhesion to PS (initial) | 5.4 N/cm |
| Adhesion to PS (after 14 days) | 7.1 N/cm |
| Adhesion to PVC (initial) | 5.7 N/cm |
| Adhesion to PVC (after 14 days) | 9.4 N/cm |
| Adhesion to Steel (initial) | 7 N/cm |
| Adhesion to Steel (after 14 days) | 9.6 N/cm |
Additional Info
Liner variants:
- PV20: branded brown glassine paper (69μm; 80g/m²)
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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