tesa® 4957

1100 µm double-sided PE foam tape.

Product Description:

tesa® 4957 is a double sided PE foam tape for general mounting applications. It consists of a highly conformable PE foam backing and a tackified acrylic adhesive. tesa® 4957 has been externally certified for window bar mounting.

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

Main applications:

POS displays, exhibition sample displays
Shelf edge labels
Cable channels, window bars, window skirting trims
Decorative glass or mirror elements on furniture
Solar module frames

Product Construction:

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

Adhesion to:

Adhesion to Steel (initial) 4 N/cm
Adhesion to Steel (after 14 days) 4 N/cm

Properties:

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

Additional Info
Liner variants:

PV0 brown glassine paper (71 µm)
PV10 red transparent PP film (120 µm)
PV15 blue PE film (100 µm)

Peel Adhesion:

immediately: foam splitting on Steel, Aluminium, ABS, PC, PS, PET, PVC
after 14 days: foam splitting on Steel, Aluminium, ABS, PC, PS, PET, PVC

tesa® 4957 has been tested and approved by IFT institute for window bar mounting. The test includes UV, driving rain and windload. (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).