3M Dual Lock Recloseable Fastener SJ3540 3/4 in x 50yd, Black, 250 Stems/inch

3M SJ3540 Dual Lock Reclosable Fastener – 3/4" x 50 yds, 250 Stems/inch, Black

Secure your projects with confidence using the 3M Dual Lock SJ3540 Reclosable Fastener. This industrial-strength fastener features a durable polyolefin backing with 250 interlocking mushroom-shaped stems per square inch and a high-tack rubber-based adhesive. With a closure life of up to 1,000 openings and closings, it's the perfect solution for reliable reattachment.

Designed for indoor use, the SJ3540 fastener offers strong holding power on low surface energy materials like polypropylene and polyethylene, as well as powder-coated paints and common plastics (ABS, acrylic, polycarbonate). Withstanding temperatures up to 120°F (49°C), it’s ideal for point-of-purchase displays, access panels, signage, and general industrial applications.

Key Features:

• Size: 3/4" x 50 yards

• Stem density: 250 stems/inch²
  

• Rubber-based pressure-sensitive adhesive
  

• For indoor use only
  

• Mates with 3M Dual Lock Types 170, 250, or 400
  

• Bonds to low surface energy plastics and coatings
  

• Easy to open and reclose—up to 1,000 times

Applications:

• Point of purchase displays
  

• Access doors and panels
  

• Electronics and enclosures
  

• Furniture and exhibits
  

• MRO and construction industries

In stock and ready to ship from National Hardware Sales.