3M™ Dual Lock™ Reclosable Fasteners offer advanced closure alternatives to zippers, screws, snaps, hooks, bolts and more. They offer greater design flexibility, faster product assembly, smoother and cleaner exterior surfaces and improved product performance in many applications. The fasteners consist of continuous polyolefin strips with polyolefin stems having a mushroom shaped top. Dual lock ties with itself. The mushroom heads allow the fasteners to easily slide over each other allowing positioning of parts before they are snapped together creating a firm fastening attachment. Simply peel the pieces apart by hand to disengage. 3M™ Dual Lock™ Reclosable Fasteners can replace conventional mechanical fasteners in a wide range of assembly and attachment applications where reclosability is desired. The durability of Dual Lock Fastener allows for up to 1,000 openings and closures and it has up to 12 times stronger holding strength than hook and loop fasteners. They provide a firm adhesive bond to a wide variety of surfaces, including, but not limited to those listed below. 3M™ Dual Lock™ Reclosable Fastener SJ3550 is suitable for: glass, sealed wood, bared metal, acrylic, polycarbonate, rigid vinyl, polystyrene 3M™ Dual Lock™ Reclosable Fastener SJ3560 is suitable for: aluminum, steel, bared metal, acrylic, polycarbonate, rigid vinyl, polystyrene. The 3M™ Dual Lock™ Reclosable Fastener SJ354B is sutable for many plastics and low surface energy materials (polyethylene or polypropylene).
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