Benefits
Strong Permanent Bond
Provides durable structural bonding that can replace mechanical fasteners in many industrial applications.
Thin Bond Line
The 0.40 mm profile offers reliable adhesion while maintaining a compact assembly design.
Improved Product Appearance
Creates smooth, clean assemblies without visible screws, rivets, or weld marks.
Long-Term Durability
Maintains excellent bonding performance under temperature fluctuations, UV exposure, moisture, and outdoor environments.
Faster Assembly
Pressure-sensitive adhesive technology simplifies installation and supports automated production.
Vibration & Impact Resistance
The acrylic foam core absorbs vibration and distributes stress evenly, helping improve product reliability.
Technical Specifications
| Property | Specification |
|---|---|
| Product Name | 3M™ VHB™ 4920 |
| Tape Type | Double-Sided Acrylic Foam Tape |
| Foam Color | White |
| Adhesive Type | General Purpose Acrylic Adhesive |
| Foam Type | Firm Acrylic Foam |
| Thickness | 0.40 mm (0.016 in) |
| Liner | Paper Liner |
| Bonding Method | Pressure-Sensitive Adhesive |
| Indoor / Outdoor Use | Suitable |
| UV Resistance | Excellent |
| Moisture Resistance | Excellent |
| Converting Services | Slitting, Rewinding, Laminating, Die-Cutting |
For complete technical specifications, please refer to the official 3M Technical Data Sheet.
Applications
3M™ VHB™ 4920 is suitable for a wide range of industrial bonding applications requiring medium-thickness structural bonding.
Typical applications include:
- Metal panel bonding
- Aluminum profile assembly
- Decorative trim attachment
- Nameplate mounting
- Appliance manufacturing
- Electronic equipment assembly
- Automotive interior components
- Architectural panel installation
- Glass bonding
- Plastic component assembly
- Signage fabrication
- Display systems
- Industrial equipment manufacturing
- HVAC component bonding
- General industrial assembly
Compatible Materials
3M™ VHB™ 4920 performs well on many high surface energy substrates.
| Excellent Compatibility | Good Compatibility | Testing Recommended |
|---|---|---|
| Aluminum | Painted Metals | Polypropylene (PP) |
| Stainless Steel | ABS | Polyethylene (PE) |
| Glass | Acrylic (PMMA) | PTFE |
| Polycarbonate (PC) | Rigid PVC | Silicone Rubber |
| High Surface Energy Plastics | Composite Materials | Low Surface Energy Plastics |
Note: Adhesion performance depends on substrate type, surface preparation, and environmental conditions. Production testing is recommended before full-scale manufacturing.
Industries
3M™ VHB™ 4920 is widely used in:
- Electronics Manufacturing
- Automotive
- Construction
- Appliance Manufacturing
- Transportation
- Signage & Displays
- Industrial Equipment
- Metal Fabrication
- Renewable Energy
- Furniture Manufacturing
Why Choose 3M™ VHB™ 4920?
3M™ VHB™ 4920 offers a balance of thin profile, high bonding strength, and long-term environmental durability for demanding industrial applications.
Key advantages include:
- 0.40 mm medium-thin bond line
- High-strength permanent adhesion
- Excellent resistance to weather and UV exposure
- Reliable indoor and outdoor performance
- Outstanding vibration damping
- Supports automated assembly
- Reduces production costs
- Improves product aesthetics
- Compatible with precision die-cutting
- Backed by proven 3M™ VHB™ acrylic foam technology
Installation Guide
For optimum bonding performance:
- Clean all bonding surfaces thoroughly to remove oil, grease, dust, and contaminants.
- Ensure substrates are dry before application.
- Apply firm and even pressure across the entire bonding area.
- Avoid repositioning once contact is made.
- Allow adequate dwell time for bond strength to develop.
- Test on production substrates before mass manufacturing.
Storage
Store 3M™ VHB™ 4920 in its original packaging in a clean, dry, and well-ventilated environment.
Recommended storage conditions:
- Temperature: 16°C–27°C (60°F–80°F)
- Relative Humidity: 40%–60%
- Keep away from direct sunlight and excessive heat.
- Protect from moisture, dust, and chemical contamination.
- Store rolls horizontally whenever possible.
- Rotate stock using the First-In, First-Out (FIFO) inventory principle.
Frequently Asked Questions (FAQ)
What is 3M™ VHB™ 4920 used for?
It is designed for permanent bonding of metals, glass, plastics, architectural panels, electronic components, and industrial assemblies.
How thick is 3M™ VHB™ 4920?
The tape has a nominal thickness of 0.40 mm (0.016 in).
What materials can it bond?
It bonds aluminum, stainless steel, glass, polycarbonate, acrylic, painted metals, and many high surface energy plastics.
Can it replace screws or rivets?
Yes. In many industrial applications, it can replace traditional mechanical fasteners while providing a clean and durable bond.
Is it suitable for outdoor use?
Yes. The acrylic foam construction offers excellent resistance to UV exposure, moisture, and weathering.
Can it be die-cut?
Yes. Guangdong Yousan provides precision die-cutting, slitting, laminating, rewinding, and custom converting services.
Does it require a primer?
Some substrates may benefit from an adhesion promoter. Always evaluate the application under actual production conditions.
How should surfaces be prepared?
Surfaces should be clean, dry, and free from dust, oil, grease, and contaminants before application.
Do you provide OEM converting services?
Yes. We offer custom slit rolls, die-cut components, laminated constructions, OEM packaging, and engineering support.
Downloads
Available upon request:
- 3M™ VHB™ 4920 Technical Data Sheet (TDS)
- Safety Data Sheet (SDS)
- Product Brochure
- Application Guide
- Die-Cutting Capability Guide
Please contact our sales team to obtain the latest technical documentation.
