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3M 4941

3M 4941 is a gray, 0.045 in (1.1 mm), multi-purpose acrylic adhesive with a conformable, foam core.
It can replace rivets, welds, and screws. The fast and easy-to-use permanent bonding method provides high strength and long-term durability.
It offers design flexibility with its viscoelasticity and powerful ability to bond to a variety of surfaces

  • Brand: 3M
  • Model No.: 4941
  • Color: Gray
  • Thickness:0.045 inch / 1.1mm
  • Material: Acrylic Foam
  • Foam Density: 720 kg/m³
  • Cutting: Any width
  • Die-cutting: Any shape and any size
  • Samples: Free
Data Sheet
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3M 4941 Data Sheet

3M 4941 TDS
Adhesive TypeAcrylic
Foam Density720 kg/m³
Thickness1.10mm ± 15 %
Adhesive CarrierAcrylic Foam (Closed Cell)
Release LinerPrinted Paper
Tape ColourGrey
Peel Adhesion to
Stainless Steel
350 N/100mm
Static Shear Strength1000g @ 22°C
500g @ 70°C
Temperature Performance (short time)150 °C
Temperature Performance (Long time)93 °C

3M 4941 Features

  • The fast and easy-to-use permanent bonding method provides high strength and long-term durability
  • Virtually invisible fastening keeps surfaces smooth
  • Can replace mechanical fasteners (rivets, welds, screws) or liquid adhesives
  • Gray, 0.045 in (1.1 mm), multi-purpose adhesive, and conformable acrylic foam core offers a good balance of strength and conformability
  • Eliminate drilling, grinding, refinishing, screwing, welding, and associated clean-up
  • Creates a permanent seal against water, moisture, and more
  • Pressure-sensitive adhesive bonds on contact to provide immediate handling strength
  • Allows the use of thinner, lighter weight, and dissimilar materials
  • UL GREENGUARD and UL GREENGUARD Gold Certified, contributing to LEED Credit

3M 4941 Applications

  • Decorative material and trim
  • Nameplates and logos
  • Electronic displays
  • Panel to frame
  • Stiffener to panel
  • This product has been found to be particularly suitable for bonding wooden(primed), aluminum (anodized), and PVCGeorgian glazing bars(muntin bars) to glazing units.
  • The plasticizer-resistant adhesive also allows for the successful bonding of flexible PVC glazing bars.
  • The conformable nature of the acrylic foam core allows for good 'wetting out of the adhesive to the glass surface thus providing good adhesive-to-surface contact.
    Also, good contact eliminates unsightly air bubbles. Primers might be appropriate when bonding such systems.

  • It has also been found excellent when bonding to relatively irregular surfaces such as grained wood. (Care must be taken to provide a good unified surface through priming.)

  • Cutting or slitting to the length and width required by the customers
  • Laminate liner or other materials
  • Die cut according to customer's drawing

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