3M Dual Lock SJ3551CF Reclosable Fastener
The 3M Dual Lock SJ3551CF reclosable fastener is engineered for professionals and manufacturers who demand reliable, reusable fastening solutions. This pressure sensitive adhesive backed fastener excels in applications requiring repeated opening and closing without compromising holding strength. Whether you're securing panels, mounting components, or creating temporary assemblies, the Dual Lock system delivers vibration-resistant performance with the convenience of reclosability. The acrylic VHB firm type backing ensures superior adhesion to medium to high surface energy substrates, making it ideal for industrial, automotive, and electronics applications where durability meets flexibility.
Key Features
- Interlocking mushroom-shaped stems create secure, vibration-resistant bonds
- Reclosable design enables repeated opening and closing cycles
- Pressure sensitive adhesive backing for easy application
- Acrylic VHB firm type backing for superior durability
- Maintains strong holding power through multiple use cycles
- Compatible with medium to high surface energy materials
- No tools required for installation or removal
Technical Specifications
| Specification |
Details |
| Manufacturer |
3M Display Materials and Systems |
| Product Type |
Reclosable Fastener |
| Adhesive Type |
Pressure Sensitive Adhesive (PSA) |
| Backing Material |
Acrylic VHB Firm Type |
| Surface Energy Compatibility |
Medium to High |
| Application |
Reusable fastening, panel mounting, component attachment |
| Performance |
Vibration-resistant, durable reclosable bond |
Frequently Asked Questions
What is a reclosable fastener and how does it work?
A reclosable fastener like the 3M Dual Lock SJ3551CF uses interlocking mushroom-shaped stems that snap together when pressed. Unlike permanent adhesives, this system allows you to separate and reattach the fastener multiple times while maintaining strong holding power, making it perfect for temporary or frequently adjusted applications.
How many times can I reuse the 3M Dual Lock SJ3551CF?
The Dual Lock fastener is designed for repeated opening and closing cycles. While the exact number of cycles depends on application conditions and surface preparation, the mushroom-shaped stem design maintains structural integrity through hundreds of reuse cycles, providing excellent value for long-term applications.
What surfaces work best with pressure sensitive adhesive fasteners?
The pressure sensitive adhesive backing on the SJ3551CF performs optimally on medium to high surface energy materials including metals, rigid plastics, glass, and painted surfaces. Clean, dry surfaces ensure maximum adhesion and reclosable performance.
Can the 3M Dual Lock fastener replace permanent adhesives?
Yes, the Dual Lock reclosable fastener offers a flexible alternative to permanent adhesives when you need removability and reusability. The acrylic VHB backing provides durable, vibration-resistant holding power comparable to many permanent solutions, while maintaining the convenience of reclosability for maintenance, adjustments, or component replacement.