3M™ Dual Lock™ Reclosable Fastener SJ3540 has a rubber based adhesive on the back of a black, polypropylene reclosable fastener. It's suitable for bonding many plastics, powder coated paints and other low surface energy materials. Our reclosable fastener has 40 mushroom shaped stems / cm² with a 5.8 mm engaged thickness.
Attach a variety of materials with 3M™ Dual Lock™ Reclosable Fastener SJ3540. Our fastener is designed to bond many plastics, powder coated paints and other low surface energy materials with its interlocking mushroom shaped stems. It’s a Type 250 stem density polyolefin fastener that is backed with a rubber based pressure sensitive adhesive and has 250 stems per square inch. Our fastener has closure action life of 1000 times before losing 50% of its original strength, making it reliable, for longer.