Premium 45 mil dark gray double-sided foam tape with acrylic adhesive for high-temperature metal bonding, offering immediate handling strength and superior water resistance without curing time.
3M™ VHB™ Tape 4611 is a premium dark gray, double-sided foam tape engineered for high-temperature bonding applications across diverse industrial substrates. This innovative tape features a general-purpose acrylic adhesive combined with a firm acrylic foam core, delivering a total thickness of 45 mil (1.1 mm) that requires no curing time. The tape is specifically designed to handle high-temperature bonding within high surface energy (HSE) substrates such as aluminum, galvanized steel, and stainless steel, making it an ideal solution for metal assembly and fastening applications.
With exceptional performance capabilities, this tape withstands long-term use at temperatures up to 300°F (149°C) and short-term applications at 450°F (232°C), making it suitable for paint processing and other demanding industrial environments. The closed-cell acrylic chemistry provides superior water and moisture resistance, creating a tight seal that protects bonded assemblies from environmental exposure. The advanced formulation delivers high shear strength, thermal resistance, and strong surface adhesion, eliminating the need for traditional mechanical fasteners such as rivets, welds, and screws.
This versatile bonding solution excels across numerous industries including window and door assembly, electronics, signage, construction, and general industrial applications. Each case contains 12 rolls, with each roll measuring 3/4 inch (19.05 mm) wide by 36 yards (32.92 m) long, providing ample coverage for production environments. The tape's immediate handling strength allows for quick assembly without waiting for adhesive curing, significantly increasing operational efficiency by eliminating drilling, welding, grinding, and finishing work steps.
Key Features
- High-temperature resistance withstands 300°F (149°C) long-term and 450°F (232°C) short-term applications
- 45 mil (1.1 mm) thickness provides optimal strength without excessive bulk
- Closed-cell acrylic chemistry creates tight water and moisture seals
- Immediate handling strength requires no curing time for fast assembly
- Adheres to high surface energy substrates with minimal surface preparation needed
- Eliminates mechanical fasteners like rivets, welds, and screws for cleaner assemblies
- Dark gray color suitable for visible applications and professional finishes
- Polyethylene film liner ensures easy application and clean removal
- Suitable for paint processing and high-temperature industrial environments
- Versatile across window/door assembly, electronics, signage, and construction industries
Technical Specifications
| Specification |
Value |
| Product Name | 3M VHB Tape 4611 |
| Color | Dark Gray |
| Width (Imperial) | 0.75 inches |
| Width (Metric) | 19.05 millimeters |
| Length (Imperial) | 36 yards |
| Length (Metric) | 32.92 meters |
| Tape Thickness | 45 mil (1.1 mm) |
| Adhesive Type | General-purpose Acrylic |
| Foam Type | Firm Acrylic Foam Core |
| Liner Material | Polyethylene Film |
| Core Size | 3 inches |
| Maximum Operating Temperature (Short-term) | 450°F (232°C) |
| Maximum Operating Temperature (Long-term) | 300°F (149°C) |
| Indoor/Outdoor Rating | Indoor/Outdoor |
| Units per Case | 12 rolls |
| Smallest Saleable Unit | Roll |
| Part Number | 4611 |
| 3M Product Number | 4611 |
| 3M ID | 7000048891 |
| UPC | 00021200560026 |
| Brand | VHB™ |
| Applications | Exterior Side Panel Sealing, Roof Sealing, Metal Bonding |
| Industries | General Industrial, Metalworking, Window & Door Manufacturing, Electronics, Signage, Construction |
| Substrate Compatibility | High Surface Energy (HSE) substrates including Aluminum, Galvanized Steel, Stainless Steel |
| Curing Time | None - Immediate handling strength |
| Water Resistance | Excellent - Closed-cell acrylic chemistry |
| Chemical Resistance | Solvent and moisture resistant |
| UV Stability | UV and temperature stable |
| Surface Preparation | Minimal - Minimal surface preparation required |
| Use Type | Industrial/Occupational use only |
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