3M Dual Lock Reclosable Fastener TB3870 250/250 Black, 1 in x 10 ft, 1 Mated Strip/Bag, 8 bags per case

3M™ Dual Lock™ Reclosable Fastener SJ3870 features a modified acrylic adhesive backing on a black polypropylene reclosable fastener. This versatile fastener is suitable for both indoor and outdoor applications, providing a slim 6.1 mm engaged thickness and a long service life. With the ability to be opened and closed up to 1000 times before losing 50% of its original tensile strength, SJ3870 offers exceptional durability and ease of use for repeated access or repositioning.

• Modified Acrylic Adhesive: Provides a strong bond to a wide range of substrates, including many plastics, powder-coated paints, and medium to low surface energy materials, with minimal surface preparation.
• High Durability: Capable of 1000 cycles of opening and closing before experiencing a significant reduction in tensile strength, ensuring long-lasting performance.
• Interlocking Mushroom Heads: Features Type 250 stem density, which mates with Type 170, 250, or 400, allowing for customizable closure strength based on the application needs.
• Slim Profile: Offers a 6.1 mm engaged thickness, providing a sleek and unobtrusive fastening solution.
• Visual and Functional Benefits: The black fasteners are hidden from view when mated, creating a smooth and clean appearance while offering a strong bond comparable to screws or rivets.
• Indoor and Outdoor Use: Designed to perform reliably in various environments, including exposure to outdoor conditions.

Recommended Applications: Ideal for doors, flexible solar panels, headliners, access panels, signs, and display components.

Usage and Maintenance: To apply, ensure the surface is clean and dry. Peel off the backing liner and press the fastener firmly onto the surface. Allow the adhesive to set for optimal bonding strength. Align the fastener parts and press firmly to engage the interlocking mushroom heads. Listen for the audible snap to confirm the fastener is securely engaged. The reclosable design allows for easy repositioning and removal as needed. Regularly inspect the fastener for signs of wear and replace as necessary to maintain optimal fastening strength. This product is designed to perform reliably in both indoor and outdoor settings, offering a strong and aesthetically pleasing fastening solution that simplifies attachment and reduces installation costs.

Product ID: Dual Lock TB3870 UPC: 00-051111-97633-3, 00051111976333 Stock ID: 70-0067-1857-4, 70006718574