- Fast and easy-to-use permanent bonding method provides high temperature strength and long-term durability
- Virtually invisible fastening keeps surfaces smooth
- Dark Grey, 25 mil (0.6 mm), general purpose adhesive with firm foam has added feature of high temperature resistance
- Can replace mechanical fasteners (rivets, welds, screws) or liquid adhesives
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Applications
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Alternatives to Rivetting or Welding, Impact resistant, Mounting and Trim Attachment, Panel to Frame/Stiffner to Panel Assembly, Semi-Structural Bonding, Small Joint Assembly, Vibration resistant
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Application Temperature-Environment
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50 Degrees Fahrenheit
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Backing Material
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Foam
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Backing Thickness (Imperial)
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5 mil
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Brand
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VHB™
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Carrier Material
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Acrylic Foam
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Core Size (Imperial)
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3 in
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Design Challenges
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Impact & Shock Absorption, Noise Vibration & Harshness Control NVH
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Flame Retardant
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N/A
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Foam Conformability
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Firm
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Indoor/Outdoor
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Both
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Industries
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General Industrial, Metalworking
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Maximum Operating Temperature (Celsius)
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149 °C
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Maximum Operating Temperature (Fahrenheit)
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300 °F
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Net Weight (Metric)
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14.43 kg
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Position
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Better
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Primary Liner
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Polyethylene (PE) Film
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Product Form
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Roll
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Set Time
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<10 Second
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Substrate
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HSE Plastics and Glass, Metal, Rough Surfaces
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Substrate 2
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Bare Metal, Glass, HSE Plastics and Glass, Metal, Painted Surface, Easy-to-Bond (HSE), Plastic, Easy-to-Bond (HSE), Rough Surfaces
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Temperature Resistance - Initial
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450 °F
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Units per Case
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9
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- Fast and easy-to-use permanent bonding method provides high temperature strength and long-term durability
- Virtually invisible fastening keeps surfaces smooth
- Dark Grey, 25 mil (0.6 mm), general purpose adhesive with firm foam has added feature of high temperature resistance
- Can replace mechanical fasteners (rivets, welds, screws) or liquid adhesives
- Pressure sensitive adhesive bonds on contact to provide immediate handling strength
- Eliminate drilling, grinding, refinishing, screwing, welding, and associated clean-up
- Allows the use of thinner, lighter weight and dissimilar materials
Dream, design, deliver with 3M™ VHB™ Tape 4646. It is a dark grey, 25 mil (0.6 mm), general purpose adhesive with firm foam that has the added feature of high temperature resistance. 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.
3M™ VHB™ Tape 4646 is in the 4611 family of 3M™ VHB™ Tapes. These tapes utilize general purpose adhesive on both sides of firm foam. High temperature capability makes this family often suitable for bonding prior to high temperature paint processing. It is typically used on metal substrates such as aluminum, galvanized steel, and stainless steel. Applications for this tape include stiffener and panel attachment, including assembly before paint ovens, as well as decorative material and trim.
Suggested Applications
- Stiffener to panel
- Panel to frame
- Decorative material and trim
- Nameplates and logos
3M Canada
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