3M™ Dual Lock™ Reclosable Fastener SJ3870 is the convenient alternative to traditional fastening methods, such as screws, nuts or bolts. It is designed to deliver a durable, reclosable fastening solution (which can be opened and closed multiple times) that bonds to a variety of substrates including metals, powder-coated paints and plastics such as acrylics, polycarbonate and ABS.
The 3M™ Dual Lock™ Reclosable Fastener SJ3870 has a modified acrylic adhesive on the back of a black polypropylene reclosable fastener. This product can be used both indoors and outside in a variety of applications; and has a slim 0.24” engaged thickness and long service life. • Snap-in-place installation replaces screws, nails, snaps and rivets • Black fastener is hidden when closed, providing a clean, smooth appearance • Modified acrylic adhesive bonds to many plastics, powder coated paints and medium to low surface energy materials with little or no surface preparation • Ideal for indoor and outdoor use to attach doors, flexible solar panels, headliners, access panels, signs and display components • Medium temperature resistance – up to 60°C • 10 times stronger than traditional hook and cord attachments • Can be opened and closed again up to 1000 times