tesa® 4959

Double-sided non-woven tape

Product Construction

Backing material non-woven
Colour translucent
Colour of liner brown
Thickness of liner 71 µm
Total thickness 100 µm
Type of adhesive type: tackified acrylic
Type of liner type: paper

Properties / Performance Values

Elongation at break 2 %
Tensile strength 8 N/cm
Tack very good
Temperature resistance min. -40 °C
Static shear resistance at 40°C medium
Ageing resistance (UV) very good
Temperature resistance long term duration 80 °C
Chemical resistance good
Static shear resistance at 23°C good, medium
Temperature resistance short term duration 200 °C
Humidity resistance very good

Adhesion to Values

Adhesion to ABS (initial) 7.5 N/cm
Adhesion to ABS (after 14 days) 9 N/cm
Adhesion to Aluminium (initial) 7.5 N/cm
Adhesion to Aluminium (after 14 days) 8 N/cm
Adhesion to PC (initial) 9.5 N/cm
Adhesion to PC (after 14 days) 14 N/cm
Adhesion to PE (initial) 4 N/cm
Adhesion to PE (after 14 days) 4.5 N/cm
Adhesion to PET (initial) 7 N/cm
Adhesion to PET (after 14 days) 7.5 N/cm
Adhesion to PP (initial) 5.5 N/cm
Adhesion to PP (after 14 days) 6.5 N/cm
Adhesion to PS (initial) 8.5 N/cm
Adhesion to PS (after 14 days) 9 N/cm
Adhesion to PVC (initial) 6.5 N/cm
Adhesion to PVC (after 14 days) 14 N/cm
Adhesion to Steel (initial) 8 N/cm
Adhesion to Steel (after 14 days) 8.5 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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