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Home > New Products > 3M™ VHB™ Tape 4941

3M™ VHB™ Tape 4941

  • Product code: 4941
  • Manufacturer: 3M
  • Package size: 0.045" (1.1mm)
  • Shelf Life: 2 years

 

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3M™ VHB™ Tape 4941 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. 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. 

FEATURES

  • 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
  • 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 us of thinner, lighter weight and dissimilar materials
  • UL GREENGUARD and UL GREENGUARD Gold Certified, contributing to LEED Credit

APPLICATIONS

  • Decorative material and trim
  • Nameplates and logos
  • Electronic displays
  • Panel to frame
  • Stiffener to panel

Typical Properties

Property 3M™ VHB™ Tape 4941 Unit Test Standard
Color Grey – Visual
Dielectric Constant 2.29 at 1 kHz ASTM D150
1.99 at 1MHz ASTM D150
Dissipation Factor 0.0245 at 1 kHz ASTM D150
0.0374 at 1MHz ASTM D150
Dielectric Breakdown Strength 14 (360) V/µm (V/mil) ASTM D140
Thermal Conductivity (k value) 0.08 (0.5) W/mK (BTU•in/hr•ft2•°F) –
Volume Resisitivity 2.1 x 1014 Ω-cm ASTM D257
Surface Resisitivity 2.7 x 1014 Ω/sq ASTM D257
Water Vapor Transmission Rate 25.6 g/m2
•day
ASTM F1249 at 38°C/100% RH
Thermal Coefficient of Expansion 180 (100) 10-6 m/m/°C (10-6 in/in/°F) –
Shear Modulus (at 25°C, 1 Hz) 3 x 105 Pa –
Shelf Life 2 Years –

Resources

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