3M™ Dual Lock™ Reclosable Fastener SJ3541 has a rubber based adhesive on the back of a black, polypropylene reclosable fastner. 3M™ Dual Lock™ Reclosable Fastener SJ3540 has a 400 stems per square inch with a 0.23 inch engaged thickness. The closure life is 1,000 times.
3M™ Dual Lock™ Reclosable Fastener SJ3541 has low temperature performance, with a temperature resistance of up to 120 degrees farheneit and is for indoor use only. This product is for use with many plastics (acrylic, polycarbonate and AS, powder coated paints and low surface energy materials (polypropylene and polyethylene).