Premium double-sided foam bonding tape with acrylic adhesive, 45 mil thickness, ideal for metal panel assembly, electronics, and industrial applications. Provides immediate handling strength as alternative to rivets, welds, and screws. UL GREENGUARD certified.
3M™ VHB™ Tape 4941 is a premium double-sided bonding tape engineered with a multi-purpose acrylic adhesive and a conformable foam core, providing a total thickness of 45 mil (1.1 mm) when applied. This industrial-grade tape is backed by a 3 mil thick 54# densified kraft paper liner and delivers exceptional strength, conformability, and adhesion to both high and medium surface energy materials. It serves as a smooth, seamless alternative to traditional mechanical fasteners such as rivets, welds, and screws, offering immediate handling strength without the need for fixtures or cure time.
The 4941 family of VHB Tapes is specifically designed for applications requiring excellent bonding performance across diverse substrates including aluminum, stainless steel, galvanized steel, composites, plastics, acrylic, polycarbonate, ABS, and painted or sealed wood and concrete. With superior shear strength and surface adhesion properties, this tape is ideal for panel-to-frame assemblies, stiffener attachment, decorative trim, nameplate mounting, and electronic display assembly. The tape's viscoelastic acrylic chemistry provides durable bonding that withstands extreme environments, from the heat of Dubai to the cold of Canada, while maintaining excellent UV and moisture resistance.
This product is UL GREENGUARD™ and UL GREENGUARD™ Gold Certified, contributing to LEED® credits for sustainable building practices. The tape enables designers to utilize thinner, lighter-weight, and dissimilar materials compared to traditional fastening methods, making it an economical and efficient choice for transportation, appliance, electronics, construction, signage, and general industrial applications. With a 24-month shelf life and proven reliability from 3M's Industrial Adhesives and Tapes Division, this tape offers consistent bonding performance and outstanding durability for demanding industrial environments.
Key Features
- Fast and easy-to-use permanent bonding method with immediate handling strength requiring no fixtures or cure time
- 45 mil thickness (1.1 mm) designed as seamless alternative to mechanical fasteners, rivets, welds, and screws
- Excellent shear strength, conformability, and surface adhesion with acrylic foam core and multi-purpose adhesive
- Outstanding outdoor durability resistant to extreme temperatures, UV exposure, and moisture for indoor/outdoor use
- Multi-surface adhesion to aluminum, stainless steel, galvanized steel, acrylic, polycarbonate, ABS, and painted surfaces
- UL GREENGUARD and UL GREENGUARD Gold Certified contributing to LEED credits
- Versatile for transportation, appliance, electronics, construction, signage, and general industrial applications
- Enables use of thinner, lighter-weight, and dissimilar materials compared to traditional fastening methods
- Closed-cell acrylic chemistry proven to withstand extreme environments and maintain durability over time
- 24-month shelf life with consistent, reliable bonding performance for demanding industrial environments
Technical Specifications
| Specification |
Value |
| Product Name | 3M VHB Tape 4941 |
| Part Number | 4941 |
| UPC Code | 00048011587509 |
| Overall Width (Imperial) | 1.099 inches |
| Overall Width (Metric) | 27.91 millimeters |
| Overall Length (Imperial) | 144 yards |
| Overall Length (Metric) | 131.7 meters |
| Total Tape Thickness | 45 mil (1.1 mm) |
| Core Size | 3 inches (76.2 mm) |
| Liner Material | Densified Kraft Paper (3 mil thick, 54# basis weight) |
| Adhesive Type | Acrylic |
| Foam Type | Conformable |
| Product Color | Gray |
| Maximum Operating Temperature (Fahrenheit) | 300°F |
| Maximum Operating Temperature (Celsius) | 149°C |
| Usage Type | Indoor/Outdoor |
| Shelf Life | 24 months |
| Units per Case | 6 rolls |
| Smallest Saleable Unit | Roll |
| Brand | 3M VHB |
| Certifications | UL GREENGUARD, UL GREENGUARD Gold |
| Compatible Substrates | Aluminum, stainless steel, galvanized steel, composites, plastics, acrylic, polycarbonate, ABS, painted/sealed wood and concrete |
| Application Type | Bonding, sealing, mounting, fastening |
| Industries | Appliance, consumer goods, general industrial, metalworking, signage, transportation, MRO, converter solutions |
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