3M SJ3870 Dual Lock Reclosable Fastener belongs to the type of 250 stem density family, and it’s a revolutionary product engineered to deliver exceptional bonding solutions for various applications. With its unique mushroom-shaped heads and a robust VHB adhesive, the SJ3870 can be opened and closed multiple times, and provide a secure and versatile fastening solution that can withstand substantial shear and tensile forces. It can be the alternative to screws and bolts, and this hidden fastener provides a snug fit and smooth aesthetic appearance
3M SJ3870 Dual Lock Reclosable Fastener for Indoor and Outdoor Use
Dual-locking Mechanism: The SJ3870 features a dual-locking system comprising interlocking mushroom-shaped stems and heads. This innovative design ensures a robust and reliable bond that remains intact even under extreme conditions.
VHB Acrylic Adhesive: Equipped with a high-performance VHB acrylic adhesive, the SJ3870 offers superior adhesion to a wide range of surfaces, including metals, plastics, glass, and painted surfaces. This adhesive provides long-lasting durability and excellent bonding strength.
Reclosable and Reusable: The SJ3870 is engineered to be opened and closed repeatedly without compromising its holding power. This feature enables easy access and repositioning, making it an ideal solution for applications that require frequent adjustments.
High Strength: With its impressive tensile strength, the SJ3870 ensures a secure attachment, providing peace of mind even in demanding environments.
Indoor and Outdoor Use: Designed to withstand temperature variations, humidity, and UV exposure, the SJ3870 is suitable for both indoor and outdoor applications, ensuring reliable performance in various settings.
Customizable: The SJ3870 can be easily customized to meet specific requirements. It can be die-cut into different shapes and sizes, offering versatility and adaptability to diverse projects.
Replacing the functions of drilling, screwing or bolting
Suiting for outdoor or indoor use
Various application
Suiting for outdoor or indoor use
Various application
| Property | Value |
| Adhesive Type | Modified Acrylic |
| Application | Trim & Molding Attachment, Interior Mirror & Fixture Attachment, Wall & Door Panel Attachment |
| Brands | 3M Dual Lock |
| Closure Life | 1,000 |
| Engaged Thickness (Imperial) | 0.24 in |
| Engaged Thickness (Metric) | 6.1 mm |
| Flame Retardant | No |
| Indoor/Outdoor | Indoor/Outdoor |
| Industries | Packaging, Retail, MRO, Medical, Military & Government, Electronics, Specialty Vehicle, Transportation, Furniture, Construction, General Industrial |
| Maximum Operating Temperature (Celsius) | 82 ℃ |
| Maximum Operating Temperature (Fahrenheit) | 180 ℉ |
| Overall Length (Imperial) | 45 yd |
| Overall Length (Metric) | 41.14 m |
| Overall Width (Imperial) | 2 in, 1 in, 0.5 in |
| Overall Width (Metric) | 50.8 mm, 25.4 mm, 12.7 mm |
| Primary Liner Thickness (Imperial) | 5 mil |
| Primary Liner Thickness (Metric) | 0.13 mm |
| Product Color | Black |
| Product Form | Roll |
| Solution for | Wireless Network: Infrastructure Accessories |
| Stem Density | 250 |
| Units per Case | 1.0, 2.0, 4.0 |
Transportation: Secure trim panels, headliners, and door panels in automotive interiors. Attach signage and components in aircraft interiors for reliable performance.
Electronics: Use the SJ3870 for securing access panels, mounting components, and attaching cables and wiring in electronic devices and appliances.
General Industrial: Mount signs, secure access panels, and attach parts in equipment assemblies across different industrial settings.
Point of Purchase and Display: Mount signs, displays, and attach product samples securely in the retail industry.
Medical and Healthcare: Secure panels, attach cushions, and components in medical equipment and devices.
Served Industries:
The SJ3870 Dual Lock Reclosable Fastener serves various industries, including automotive, aerospace, electronics, general manufacturing, retail, and healthcare. Its versatility and reliable performance make it an indispensable solution for professionals across these sectors.
Wall & Door Panel Attachment,
Trim & Molding Attachment,
Interior Mirror & Fixture Attachment,
Panel Attachment Systems,
Mounting Motorcycle Accessories,
Mounting RV Accessories,
Mounting Surveillance Cameras,
Mounting Toll Transponders, Power Strip Attachment,
Point of Sales System Attachment,
Drone Accessory Attachment, Dashboard Attachment,
Ceiling Attachment, Attaching Graphics,
Sensor Attachment, Wood Blinds Trim Attachment,
Mounting Boat Accessories
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