Reliable and Durable Fastening 3M SJ3540 Dual Lock Reclosable Fastener Tape for Access Panels

3M™ Dual Lock™ SJ3540 is a black, heavy-duty reclosable fastener with 250 stems/in² Type 250 mushroom stems for strong, audible snap closure.
It uses a synthetic rubber PE foam adhesive engineered to bond reliably to low surface energy plastics like PE and PP, as well as metals, glass, and standard plastics

This fastener is durable, reusable, and ideal for indoor applications requiring repeated access. It replaces screws/bolts for hidden, clean mounting, with >1,000 open/close cycles. Best suited for interior trim, signage, electronics assembly, POP displays, and general industrial mounting.