tesa® 4959

Double-sided non-woven tape

Product description

tesa® 4959 is a double-sided mounting and splicing tape equipped with a non-woven backing and coated with an acrylic adhesive of high tack and good shear strength. It is UV and ageing resistant and largely resistant to plasticizers.

Application Fields

  • Mounting of signs, covers and nameplates
  • Mounting of door linings in the car industry
  • Mounting of plastic bags, dispatch bags, continuous stationery, posters etc.
  • Splicing of paper and film webs

Product Construction

Type of adhesive tackified acrylic
Type of liner glassine
Color of liner brown
Total thickness 3.94 mils
100 µm
Thickness of liner 2.8 mils
71 µm
Backing material non-woven
Color translucent

Properties / Performance Values

Elongation at break 2 %
Static shear resistance at 23°C good
Chemical resistance good
Humidity resistance very good
Tack very good
Tensile strength 4.57 lbs/in
8 N/cm
Ageing resistance (UV) very good
Static shear resistance at 40°C medium
Temperature resistance long term 176 °F
80 °C
Temperature resistance short term 392 °F
200 °C

Adhesion to Values

Adhesion to Steel (initial) 73.09 oz/in
8 N/cm
Adhesion to PE (initial) 36.54 oz/in
4 N/cm
Adhesion to PC (after 14 days) 127.91 oz/in
14 N/cm
Adhesion to PS (after 14 days) 82.23 oz/in
9 N/cm
Adhesion to ABS (initial) 68.52 oz/in
7.5 N/cm
Adhesion to ABS (after 14 days) 82.23 oz/in
9 N/cm
Adhesion to PP (after 14 days) 59.39 oz/in
6.5 N/cm
Adhesion to PET (after 14 days) 68.52 oz/in
7.5 N/cm
Adhesion to Aluminium (after 14 days) 73.09 oz/in
8 N/cm
Adhesion to PC (initial) 86.79 oz/in
9.5 N/cm
Adhesion to PVC (initial) 59.39 oz/in
6.5 N/cm
Adhesion to PE (after 14 days) 41.11 oz/in
4.5 N/cm
Adhesion to PS (initial) 77.66 oz/in
8.5 N/cm
Adhesion to PET (initial) 63.95 oz/in
7 N/cm
Adhesion to Aluminium (initial) 68.52 oz/in
7.5 N/cm
Adhesion to PP (initial) 50.25 oz/in
5.5 N/cm
Adhesion to Steel (after 14 days) 77.66 oz/in
8.5 N/cm
Adhesion to PVC (after 14 days) 127.91 oz/in
14 N/cm

Additional Info

Liner variants:
PV0 brown glassine paper (71 µm/2.8 mils)
PV6 red MOPP-film (80 µm/3.2 mils)
PV36 double linered brown glassine paper

According to VDA278 analysis, tesa 4959 does not contain any single substances restricted by the drafted GB regulations (China) as well as the indoor concentration guideline by Health, Labour and Welfare Ministry (Japan).
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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