3M™ Dual Lock™ Reclosable Fastener SJ3540
Product Description
3M™ Dual Lock™ Reclosable Fastener SJ3540 provides an easy, clear alternative to traditional fastening methods such as screws, nuts and bolts. Designed for repeated opening and closing, it delivers a durable, reclosable fastening solution that bonds to a variety of substrates, including many plastics and low-surface-energy materials.
Simple, Strong and Secure
3M™ Dual Lock™ SJ3540 features interlocking mushroom-shaped heads with a stem density of 250 stems per square inch, providing exceptional strength and up to five times the tensile strength of typical hook-and-loop fasteners. The fastener is backed with a black PE foam tape featuring a synthetic rubber-based adhesive and protected by a removable film liner. Its pressure-sensitive adhesive provides quick stick and requires only a short dwell time to establish a bond. Installation is quick and convenient, with no need for drilling, screws, sewing or specialized fastening tools.
- Black, interlocking mushroom-shaped heads (250 stem density per square inch) provide strong, reliable and durable fastening that can be opened and closed multiple times
- Mates with Type 170, Type 250 or Type 400 stem densities to provide different strength combinations
- Synthetic rubber-based adhesive bonds well to a variety of substrates including low surface energy plastics such as polyethylene and polypropylene
- Strong fastener secures with an audible snap, verifying closure
- An alternative to screws and bolts, this hidden fastener provides a snug fit and smooth aesthetic appearance