tesa® 4957

Double-sided general purpose PE-foam tape

Product Features

Versatile adhesive for high immediate adhesion on numerous substrates
Fully outdoor suitable: UV, water and ageing resistant
Compensates for differing thermal expansion of dissimilar materials

All product features

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

Product details and specifications

Product Features

Versatile adhesive for high immediate adhesion on numerous substrates
Fully outdoor suitable: UV, water and ageing resistant
Compensates for differing thermal expansion of dissimilar materials
High immediate bonding strength even at low bonding pressure
Very good cold shock absorbtion

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

Backing material	PE foam
Colour	black/white
Total thickness	1,100 µm
Type of adhesive	tackified acrylic

Backing material	PE foam
Colour	black/white
Total thickness	1,100 µm
Type of adhesive	tackified acrylic

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

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

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

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

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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