Products

3M™ VHB™ Tape 4920

Brands: VHB™

Package Size: Standard Length 32.9 m (36 yd)

Minimum Width: 6.4 mm (0.25 in)

Maximum Width: 1219 mm (48 in)

Core Size (ID): 76.2 mm (3 in)

Shelf Life: 24 months

Product Description

3M™ VHB™ Tape 4920 is a white, 0.015 inch (0.4 mm) thick, double-sided acrylic foam tape with a paper liner. It features a general-purpose acrylic adhesive on both sides, providing a firm bond to a variety of high surface energy substrates, including metals, glass, and high surface energy plastics. This tape offers a reliable and permanent bonding solution, eliminating the need for mechanical fasteners such as rivets, welds, and screws. It is part of the 4950 tape family, which varies in thickness, color, and liner type.


Product 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.

  • White, 0.015 inch (0.4 mm) thick, general-purpose adhesive with a firm acrylic foam core.

  • Eliminates 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.


Recommended Applications

  • Decorative material and trim

  • Nameplates and logos

  • Display assembly

  • Stiffener to panel

Typical Physical Properties

Attribute Test Method Value
Color White
Adhesive Type General Purpose Acrylic
Foam Type Firm Acrylic
Density ASTM D3574 800 kg/m³ (50 lb/ft³)
Total Tape Thickness ASTM D3652 0.4 mm (15 mil) (0.015 in) ±15%
Liner DK Paper
Liner Thickness 0.08 mm (0.003 in)
Primary Liner Color White (printed)

Typical Performance Characteristics

Temperature: 23 °C (73 °F), Dwell Time: 72 h

Test Test Method Substrate Value
90° Peel Adhesion ASTM D3330 Stainless Steel 26 N/10mm
Static Shear (23°C / 73°F) ASTM D3654 Stainless Steel 1500 g
Static Shear (66°C / 150°F) ASTM D3654 Stainless Steel 500 g
Static Shear (93°C / 200°F) ASTM D3654 Stainless Steel 500 g
Minimum Application Temperature 10 °C (50 °F)
Short-Term Temperature Resistance 149 °C (300 °F)
Long-Term Temperature Resistance 93 °C (200 °F)

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