3M™ VHB™ Tape 4991

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Grey, 2.3 mm, acrylic adhesive with a conformable, acrylic foam core

Offers a good plastisiser resistance

Strong and durable bonds to a wide variety of high to medium surface energy substrates like aluminium, stainless steel, galvanised steel, polycarbonate, ABS

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Details

Highlights
  • Grey, 2.3 mm, acrylic adhesive with a conformable, acrylic foam core
  • Offers a good plastisiser resistance
  • Strong and durable bonds to a wide variety of high to medium surface energy substrates like aluminium, stainless steel, galvanised steel, polycarbonate, ABS
  • Superior outdoor performance, UV and solvent resistance
  • High aging resistance
  • Creates a permanent seal against water, moisture and more
  • High dynamic stress absorption reduces vibration and impact stress
  • Eliminate drilling, grinding, refinishing, screwing, welding and clean-up
  • EXCELLENT BONDING AND SEALING: Features closed-cell acrylic chemistry, which is proven to withstand extreme environments

The strong, fast and easy way to create durable and reliable bonds, eliminating rivets, screws, bolts and welds. 3M™ VHB™ Tape 4991 provides high strength and long-term durability. It offers design flexibility with its viscoelasticity and powerful ability to bond a variety of surfaces.

Convenience Meets Extreme Bonding Power
Our 3M™ VHB™ Tape consists of a durable acrylic adhesive with viscoelastic properties. This provides an extraordinarily strong double sided foam tape that adheres to a broad range of substrates, including aluminum, stainless steel, galvanized steel, composites, plastics, acrylic, polycarbonate, ABS and painted or sealed wood and concrete. Our bonding tapes provide excellent shear strength, conformability, surface adhesion and temperature resistance. They are commonly used in applications across a variety of markets including transportation, appliance, electronics, construction, sign and display and general industrial. Reliably bonds a variety of materials with strength and speed for permanent applications.

Recommended Applications

  • Decorative material and trim
  • Nameplates and logos
  • Electronic displays
  • Panel to frame
  • Stiffener to panel
Dream, Design, Deliver with the 4941 Family of 3M™ VHB™ Tapes
The 4941 family of 3M™ VHB™ Tapes utilizes multi-purpose acrylic adhesive on both sides of a conformable, foam core. The combination of strength, conformability and adhesion makes this family one of the most capable and well-rounded 3M™ VHB™ Tapes. It is specifically designed for good adhesion to metals, glass and other medium to high surface energy materials. Applications for this tape include stiffener bonding, sealing polycarbonate lens over LCD, windows to painted control panels and mounting vinyl wiring ducts and conduit channels.

3M™ VHB™ Tape 4919F
3M™ VHB™ Tape 4991 is effective at bonding and sealing polycarbonate lens over LCD
An Unconventional Foam Tape
We invented 3M™ VHB™ Tapes in 1980 as the first of their kind. These unique tapes combine conformability with a strong, permanent bond. The result is a family of extraordinarily strong tapes that adhere to a broad range of substrates. 3M™ VHB™ Tape is a proven alternative to screws, rivets, welds and other forms of mechanical fasteners. Skyscrapers, cell phones, electronic highway signs, refrigerators, architectural windows and more all rely on this specialty bonding tape for one or more steps in the assembly, mounting, fastening and sealing process. This trusted and reliable tape offers a consistent bond, outstanding durability and excellent solvent and moisture resistance. 3M stands by all of its products and is there to provide you with design guidance and technical support when you need it.

Proven Reliability from 3M™ VHB™ Tapes
3M™ VHB™ Tape offers a durable bond in a way that mechanical fasteners can't. This tape enhances the appearance of finished goods by eliminating rivets and screws while providing immediate handling strength. In most cases, fastening with 3M™ VHB™ Tape is a quicker process than drilling, fastening, or using liquid adhesive. Our versatile line of tapes can be used indoors or outdoors in a variety of applications, including window, door and sign assembly, electronics, construction and countless other industrial applications. Chemically resistant as well as UV and temperature stable, 3M™ VHB™ Tape can withstand the heat of Dubai to the cold of Canada. The unique acrylic chemistry is extremely durable and resistant to change over time, making this a long-lasting and powerful tape you can trust.

Bringing Better Ideas to the Surface through Science and Innovation
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.


Suggested applications
  • Bond panel to frame
  • Bond stiffener to panel
  • Bond of decorative material, trim, attachments
  • Bond of nameplates, logos and signs
  • Bond electronic displays
  • Bond lens window to housing

Typical Properties

Resources

Related Products

A group of 3M VHB Tapes with film liner3M™ VHB™ Tape 4991
Overall Width (Metric) 25 mm, 19 mm, 1,200 mm
Backing (Carrier) Material Acrylic Foam
Product Color Grey
Overall Length (Metric) 16.5 m, 5.5 m, 165 m
Adhesive Type Acrylic