Premium double-sided VHB foam bonding tape with acrylic adhesive, 45 mil thickness, ideal for permanent industrial bonding applications on metal, plastic, and composite materials without mechanical fasteners.
3M™ VHB™ Tape 4941 is a premium double-sided bonding tape featuring a multi-purpose acrylic adhesive with a conformable foam core backed by densified kraft paper liner. With a total thickness of 45 mil (1.1 mm), this industrial-grade tape provides an excellent balance of strength, conformability, and adhesion to high and medium surface energy materials. It serves as a smooth, seamless alternative to mechanical fasteners such as rivets, welds, and screws, or liquid adhesives, offering immediate handling strength without the need for fixtures or curing time.
The tape's acrylic foam core and multi-purpose adhesive deliver excellent shear strength, conformability, and surface adhesion, making it ideal for a wide range of applications. It bonds effectively to aluminum, stainless steel, galvanized steel, composites, plastics, acrylic, polycarbonate, ABS, and painted or sealed wood and concrete. The closed-cell acrylic chemistry provides proven durability in extreme environments, with resistance to high and low temperatures, moisture, UV exposure, and various solvents. This versatile tape is commonly used in transportation, appliance, electronics, construction, sign and display, and general industrial markets.
UL GREENGUARD™ and UL GREENGUARD™ Gold Certified, this 36-yard roll (32.9 meters) with 0.85-inch (21.61 mm) width comes in a case of 12 rolls, making it suitable for high-volume industrial applications. The tape operates reliably in temperatures up to 149°C (300°F) and maintains a 24-month shelf life, providing consistent performance and outstanding durability for permanent bonding and sealing applications.
Key Features
- Permanent bonding with immediate handling strength - no fixture or cure time required
- 45 mil total thickness with conformable acrylic foam core for superior flexibility and adhesion
- Multi-surface compatibility - bonds to aluminum, stainless steel, galvanized steel, composites, plastics, acrylic, polycarbonate, and ABS
- Excellent shear strength and surface adhesion with closed-cell acrylic chemistry proven in extreme environments
- UL GREENGUARD™ and UL GREENGUARD™ Gold Certified for environmental sustainability and LEED® credit contribution
- Superior outdoor durability with resistance to high/low temperatures, moisture, UV, and solvents
- Replaces mechanical fasteners (rivets, welds, screws) and liquid adhesives for cleaner aesthetics
- Versatile applications across transportation, appliance, electronics, construction, and industrial markets
- 24-month shelf life with reliable performance up to 149°C (300°F)
- Case of 12 rolls - 36 yards (32.9 meters) per roll at 0.85 inches (21.61 mm) width
Technical Specifications
| Specification |
Value |
| Product Name | 3M™ VHB™ Tape 4941 |
| Part Number | 4941 |
| UPC Code | 00021200429989 |
| Brand | 3M VHB™ |
| Product Color | Gray |
| Overall Width (Imperial) | 0.85 in |
| Overall Width (Metric) | 21.61 mm |
| Overall Length (Imperial) | 36 yd |
| Overall Length (Metric) | 32.9 m |
| Total Tape Thickness (Imperial) | 45 mil |
| Total Tape Thickness (Metric) | 1.1 mm |
| Foam Type | Conformable acrylic foam core |
| Adhesive Type | Multi-purpose acrylic |
| Liner Material | Densified Kraft Paper (3 mil thick, 54#) |
| Core Size (Imperial) | 3 in |
| Core Size (Metric) | 76.2 mm |
| Maximum Operating Temperature (Fahrenheit) | 300 ℉ |
| Maximum Operating Temperature (Celsius) | 149 ℃ |
| Shelf Life | 24 months |
| Units per Case | 12 rolls |
| Smallest Saleable Unit | Roll |
| Indoor/Outdoor Rating | Indoor/Outdoor |
| Certifications | UL GREENGUARD™ and UL GREENGUARD™ Gold Certified |
| Surface Energy Compatibility | High Surface Energy (HSE) and Medium Surface Energy (MSE) |
| Compatible Substrates | Aluminum, stainless steel, galvanized steel, composites, plastics, acrylic, polycarbonate, ABS, painted or sealed wood and concrete |
| Recommended Applications | Panel to frame bonding, stiffener attachment, decorative trim, nameplates, electronic displays, sealing polycarbonate lens, mounting vinyl wiring ducts |
| Industries | Appliance, Consumer Goods, General Industrial, MRO, Metalworking, Signage, Transportation, Construction, Electronics |
| Use Category | Industrial/Occupational Use Only |
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