3M™ Dual Lock™ Reclosable Fastener SJ3870

The unique, interlocking mushroom-shaped heads snap of 3M™ Dual Lock™ Reclosable Fastener SJ3870 shut and stay locked. They close with an audible to assure your design is securely fastened. Pressure-sensitive adhesive backing provides strong and durable bonds to metals (aluminium, stainless steel), glass, plastics (acrylic, polycarbonate, ABS) and paints.

• Black, interlocking mushroom-shaped heads (250 stem density per 6.5 cm²)
• Adhesive Type: Modified Acrylic
• Engaged Thickness [mm]: 6.1 ± 15%
• Snap-in-place installation replaces screws, nails, snaps and rivets
• Five times the tensile strength of typical hook-and-loop fasteners
• Durable — up to 1,000 openings and closings before losing 50 % of original tensile strength
• Pressure-sensitive adhesive provides excellent initial tack to most surfaces
• Features excellent heat resistance up to temperatures of 82 °C
• Moisture and UV resistant
• Suitable for both indoor and outdoor use