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tesa® 4959
100 µm double sided premium non woven tape for industrial mounting and high performance lamination applications
- High initial tack and peel adhesion
- Excellent temperature resistance
- Very good bonding strength, even to low surface energy materials
- Excellent die-cutting properties due to non-woven backing
Product description
tesa® 4959 is a double-sided non-woven industrial mounting and splicing tape with a tackified acrylic adhesive. The premium non-woven tape is, for instance, used for mounting signs and nameplates or other mounting and high performance lamination applications. tesa® 4959 is especially designed to connect flexible materials to one another. The mounting and splicing tape 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 makes for an excellent hold on various surfaces, very high tack, and good shear strength. The adhesive is coated on a flexible and conformable cellulose non-woven backing which conforms even to difficult 3D shapes.
Application Fields
tesa® 4959 is ideally used for industrial mounting, high performance lamination, and splicing:
- Mounting of signs, covers, and nameplates
- Lamination of insulation materials and foams for HVAC (heating, ventilation, and air conditioning) seal
- Mounting of plastic bags, dispatch bags, continuous stationery, posters, etc.
- Splicing of paper and film webs
- Mounting of door linings in the automotive industry
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Product Construction
| Elongation at break | 3 % |
| Type of liner | glassine |
| Backing material | non-woven |
| Type of adhesive | tackified acrylic |
| Color of liner | brown |
| Tensile strength | 8 N/cm |
| Total thickness | 100 µm |
| Thickness of liner | 71 µm |
| Color | translucent |
Properties / Performance Values
| Static shear resistance at 23°C | good |
| Resistance to chemicals | good |
| Humidity resistance | very good |
| Static shear resistance at 40°C | medium |
| Temperature resistance long term | 80 °C |
| Temperature resistance short term | 200 °C |
| Tack | very good |
| Ageing resistance (UV) | very good |
Adhesion to Values
| Adhesion to Steel (initial) | 8 N/cm |
| Adhesion to PE (initial) | 4 N/cm |
| Adhesion to PC (after 14 days) | 14 N/cm |
| Adhesion to PS (after 14 days) | 9 N/cm |
| Adhesion to ABS (initial) | 7.5 N/cm |
| Adhesion to PP (after 14 days) | 6.5 N/cm |
| Adhesion to PET (after 14 days) | 7.5 N/cm |
| Adhesion to Aluminium (after 14 days) | 8 N/cm |
| Adhesion to PE (after 14 days) | 4.5 N/cm |
| Adhesion to Aluminium (initial) | 7.5 N/cm |
| Adhesion to Steel (initial) | 8 N/cm |
| Adhesion to ABS (after 14 days) | 9 N/cm |
| Adhesion to PC (initial) | 9.5 N/cm |
| Adhesion to PVC (initial) | 6.5 N/cm |
| Adhesion to PS (initial) | 8.5 N/cm |
| Adhesion to PET (initial) | 7 N/cm |
| Adhesion to PP (initial) | 5.5 N/cm |
| Adhesion to Steel (after 14 days) | 8.5 N/cm |
| Adhesion to PVC (after 14 days) | 14 N/cm |
Additional Info
Liner variants:
- PV0: brown glassine paper (69µm; 80g/m²)
- PV36 double liner: 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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