3M™ Dual Lock™ Reclosable Fastener SJ3551 is a general purpose acrylic adhesive on the back of a black, polypropylene reclosable fastner. 3M™ Dual Lock™ Reclosable Fastener SJ3551 has 400 stems per square inch with an 0.23 inch engaged thickness. Offers a closure life of 1,000.
A black fastener with mushroom shaped stems backed with a white, general purpose acrylic pressure sensitive adhesive.
Type 400 stem density polyolefin fastener which mates to Type 170 or 250.
Designed to bond to metals, glass and medium to high surface energy plastics and paint.