Professional double-sided foam tape with acrylic adhesive for permanent bonding, offering immediate handling strength and excellent durability across diverse industrial applications.
3M™ VHB™ Tape 4941 is a professional-grade double-sided foam tape engineered for permanent bonding applications across diverse industrial sectors. This tape comprises a multi-purpose acrylic adhesive applied to both sides of a conformable foam core, backed by a 3 mil thick densified kraft paper liner, delivering a total thickness of 45 mil (1.1 mm). The tape provides an exceptional balance of strength, conformability, and adhesion to high and medium surface energy materials, making it an ideal seamless alternative to mechanical fasteners such as rivets, welds, and screws, as well as liquid adhesives.
The 3M™ VHB™ Tape 4941 is specifically designed for applications requiring fast and easy bonding with immediate handling strength, eliminating the need for fixtures or cure time. Its acrylic foam core combined with multi-purpose adhesive delivers excellent shear strength, conformability, and surface adhesion. The tape offers outstanding outdoor durability and performance, resisting both high and low temperatures as well as moisture, making it suitable for indoor and outdoor applications. With a maximum operating temperature of 149°C (300°F) and a 24-month shelf life, this tape is built to perform in demanding environments from extreme heat to cold climates.
Commonly used across transportation, appliance, electronics, construction, sign and display, and general industrial markets, the 3M™ VHB™ Tape 4941 enables designers and manufacturers to create thinner, lighter-weight products using dissimilar materials. The tape is UL GREENGUARD™ and UL GREENGUARD™ Gold Certified, helping contribute to LEED® credits for sustainable construction projects. Each case contains 3 rolls of 36 yards, providing ample supply for production environments. This proven tape delivers consistent bonding, outstanding durability, and excellent solvent and moisture resistance, backed by 3M's commitment to design guidance and technical support.
Key Features
- Fast and easy-to-use permanent bonding method providing immediate handling strength without fixtures or cure time
- 45 mil thickness with conformable acrylic foam core designed as alternative to rivets, welds, screws and liquid adhesives
- Excellent shear strength, conformability and surface adhesion with multi-purpose acrylic adhesive
- Outstanding outdoor durability resisting high and low temperatures plus moisture with maximum operating temperature of 149°C (300°F)
- Multi-surface adhesion to HSE and MSE substrates including aluminum, stainless steel, galvanized steel, acrylic, polycarbonate and ABS
- Versatile applications across transportation, appliance, electronics, construction, signage and general industrial markets
- UL GREENGUARD™ and UL GREENGUARD™ Gold Certified contributing to LEED® credits
- Enables use of thinner, lighter-weight and dissimilar materials compared to traditional fastening methods
- Closed-cell acrylic chemistry proven to withstand extreme environments
- 24-month shelf life with consistent bonding and excellent solvent and moisture resistance
Technical Specifications
| Specification |
Value |
| Product Name | 3M™ VHB™ Tape 4941, Gray |
| Part Number | 4941 |
| UPC Code | 00021200562150 |
| Overall Width (Imperial) | 3 in |
| Overall Width (Metric) | 76.2 mm |
| Overall Length (Imperial) | 36 yd |
| Overall Length (Metric) | 32.9 m |
| Total Tape Thickness without Liner (Imperial) | 45 mil |
| Total Tape Thickness without Liner (Metric) | 1.1 mm |
| Adhesive Type | Multi-purpose Acrylic |
| Foam Type | Conformable |
| Liner Material | Densified Kraft Paper, 3 mil thick |
| Product Color | Gray |
| Maximum Operating Temperature (Fahrenheit) | 300°F |
| Maximum Operating Temperature (Celsius) | 149°C |
| Shelf Life | 24 Months |
| Indoor/Outdoor Rating | Indoor/Outdoor |
| Units per Case | 3 Rolls |
| Smallest Saleable Unit | Roll |
| Brand | 3M VHB™ |
| Core Size (Imperial) | 3 in |
| Core Size (Metric) | 76.2 mm |
| Applicable Industries | Appliance, Consumer Goods, Converter Solutions, General Industrial, MRO, Metalworking, Signage, Transportation |
| Surface Energy Compatibility | High Surface Energy (HSE) and Medium Surface Energy (MSE) substrates |
| Compatible Substrates | Aluminum, Stainless Steel, Galvanized Steel, Acrylic, Polycarbonate, ABS, Composites, Plastics, Painted or Sealed Wood and Concrete |
| Certifications | UL GREENGUARD™ and UL GREENGUARD™ Gold Certified |
| Intended Use | Industrial/Occupational Use Only - Not for Consumer Sale or Use |
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