tesa® 4957

Double-sided general purpose PE-foam tape

Product description

tesa® 4957 is a double-sided tape consisting of a very conformable closed cell PE-foam backing and a shear resistant modified acrylic adhesive. It is suitable for outdoor use and available in both black and white.

tesa® 4957 features:
  • High immediate bond on rough surfaces
  • Very good compensation for design tolerances
  • Leveling out of different thermal expansion of materials
  • Shock absorption and sealing function

Application Fields

  • POS displays, exhibition sample displays
  • Shelf edge labels
  • Cable channels, window and kitchen profiles
  • Decorative glass or mirror elements on furniture
  • Signs and Emblems

Product Construction

Backing material PE foam
Type of adhesive tackified acrylic
Total thickness 1100 µm
Colour black/white

Properties / Performance Values

Elongation at break 200 %
Static shear resistance at 23°C good
Chemical resistance good
Humidity resistance very good
Static shear resistance at 40°C good
Temperature resistance long term duration 80 °C
Temperature resistance short term duration 80 °C
Tack good
Tensile strength 6 N/cm
Ageing resistance (UV) good
Softener resistance medium

Adhesion to Values

Adhesion to Steel (initial) 4 N/cm
Adhesion to PE (initial) 1.7 N/cm
Adhesion to PC (after 14 days) 4 N/cm
Adhesion to PS (after 14 days) 4 N/cm
Adhesion to ABS (initial) 4 N/cm
Adhesion to PP (after 14 days) 3.3 N/cm
Adhesion to PET (after 14 days) 4 N/cm
Adhesion to Aluminium (after 14 days) 4 N/cm
Adhesion to PE (after 14 days) 2.2 N/cm
Adhesion to Aluminium (initial) 4 N/cm
Adhesion to ABS (after 14 days) 4 N/cm
Adhesion to PC (initial) 4 N/cm
Adhesion to PVC (initial) 4 N/cm
Adhesion to PS (initial) 4 N/cm
Adhesion to PET (initial) 4 N/cm
Adhesion to PP (initial) 1.8 N/cm
Adhesion to Steel (after 14 days) 4 N/cm
Adhesion to PVC (after 14 days) 4 N/cm

Additional Info

Liner variants:
PV0 brown glassine paper (70 µm)
PV4 white with tesa® logo PE-coated paper (122 µm)
PV6 blue PP (80 µm)
PV12 transparent PET (75µm)
PV15 blue PE (100 µm)

tesa® 4957 has been tested and approved by IFT institute for window bar mounting (IFT report number 509 30742/1).

tesa® 4957 has been tested by TÜV Rheinland, Germany. The test confirms the longterm adhesion performance after IEC 61215 / 61646 climate tests and a 85°C temperature resistance. (TÜV report number 21209595).

Peel Adhesion:
- immediately: foam splits on Steel, Aluminium, ABS, PC, PS, PET, PVC
- after 14 days: foam splits on Steel, Aluminium, ABS, PC, PS, PET, PVC
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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