3M™ Dual Lock™ Reclosable Fastener SJ3541, Black, 1 in x 5 yd, Sample

3M™ Dual Lock Reclosable Fastener SJ3541 is the easy and clear 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) which bonds to a variety of substrates including many plastics and low surface energy materials. Durable and secure, 3M Dual Lock Reclosable Fastener SJ3541 has exceptional strength through its interlocking mushroom-shaped heads (400 stem density per square inch), providing up to 5X the tensile strength of typical hook-and-loop products. We designed this fastener with a synthetic rubber-based black PE foam tape protected by a removable, film liner. This pressure sensitive adhesive features quick stick and a short dwell time. With 3M™ Dual Lock Reclosable Fastener SJ3541, there is no need for any drilling, screwing or sewing tools which makes for quick installation.
Special Price $32.55 Regular Price $38.29
UPC 00051131184664
3M ID 7100226655
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Unlock Simplicity

Durable and secure, 3M™ Dual Lock™ Reclosable Fastener SJ3541 has exceptional strength through its interlocking mushroom-shaped heads (400 stem density per square inch), providing up to 5X the tensile strength of typical hook-and-loop products. This fastener was designed with a synthetic rubber-based black PE foam tape protected by a removable, film liner. This pressure sensitive adhesive features quick stick and a short dwell time. With 3M™ Dual Lock™ Reclosable Fastener SJ3541, there is no need for any drilling, screwing or sewing tools which makes for quick installation.

Recommended Applications:

Access panels Interior signage Decorative trim Office partitions

Product IDs

Design Flexibility

3M™ Dual Lock™ Reclosable Fastener SJ3541 consists of interlocking mushroom-shaped heads that easily slide over each other, allowing for positioning of parts before being snapped together. This fastening process creates a durable attachment and provides fast product assembly with great design flexibility. These reclosable fasteners can also engage with different stem densities for varying levels of strength and system performance.

3M™ Dual Lock™ Reclosable Fasteners sound an audible snap when secure, which verifies closure of the attachment. To disengage, simply peel the pieces apart by hand. These fasteners maintain their strength throughout multiple attachments and detachments. A lightweight alternative to metal fasteners, this product remains hidden beneath surfaces and does not interfere with the integrity of your material—providing aesthetic improvements and design flexibility.

Hundreds of Reattachments in a Snap

When two pieces of 3M™ Dual Lock™ Reclosable Fasteners mate, the stems flex and the mushroom heads slide past each other. After passing the opposing mating piece, the stems snap back into their original position and the opposing mushroom heads interlock. These fasteners can provide high tensile strength but can be opened by simply cleaving or peeling open the closure. This product is well suited for many indoor applications where a good performance, high strength, reclosable fastening system is required.

Delivers Long-Lasting Performance

Not all design requirements are easily satisfied, but you can simplify your attachments. When you need a strong, reliable, yet removable closure, 3M™ Dual Lock™ Reclosable Fasteners are the easy alternative to traditional fastening methods such as screws, nuts or bolts.


  • Black, interlocking mushroom-shaped heads (400 stem density per square inch) provide strong, reliable and durable fastening that can be opened and closed multiple times
  • Mates with Type 170 and Type 250 stem densities to provide different strength combinations
  • Synthetic rubber-based adhesive bonds well to a variety of substrates including low surface energy plastics such as polyethylene and polypropylene
  • Strong fastener secures with an audible snap, verifying closure
  • An alternative to screws and bolts, this hidden fastener provides a snug fit and smooth aesthetic appearance
  • Features good temperature resistance of 120°F (49°C)
  • Best suited for indoor use
More Information
3M ID 7100226655
Keywords 3M, Dual Lock, Reclosable Fastener, SJ3541, durable fastening solution, interlocking mushroom-shaped heads, high tensile strength, synthetic rubber-based adhesive, pressure sensitive adhesive, quick installation, quick stick, low surface energy materials, indoor use, access panels, interior signage, decorative trim, office partitions, product IDs, hidden fastener, strong fastener, reliable fastener, multiple reattachments, design flexibility, automotive markets, commercial solutions, communications, design and construction, electronics, energy, manufacturing, transportation, access network, aerospace, bonding and assembly, building maintenance and repair, collision repair, commercial and specialty vehicles, DIY, design and specialty materials, electrical construction and maintenance, enterprise network, government, graphics and signage, industrial and manufacturing, interior, marine, metalworking, personal recreation vehicles, rail, two wheel vehicles, wireless network, woodworking
Global Product Hierarchy Tapes > Reclosable Fasteners > Mushroom Hook Fasteners
Adhesive Color Black
Color Family Black
Product Number SJ3541
Product Type simple
Quantity 0
Trademark 1 3M™
Trademark 2 Dual Lock™
Country of Origin United States
SAP Shelf Life In Days 547
Base - Billing Unit ROL
Base - Metric Gross Weight 181.437 G
Base - Metric Height Dimension 3.175 CM
Base - Metric Length Dimension 36.83 CM
Base - Metric Width Dimension 24.13 CM
Base - Item Quantity 1
Base - Unit ROL
Consumer - Billing Unit ROL
Consumer - Customary Cubic Dimension 172.18752547741315 ci
Consumer - Customary Gross Weight 0.4000001146403763 lbs
Consumer - Customary Net Weight 0.3899999464276703 lbs
Consumer - Customary Height Dimension 1.25 in
Consumer - Customary Length Dimension 14.5 in
Consumer - Customary Width Dimension 9.5 in
Consumer - Metric Cubic Dimension 2821.648 CCM
Consumer - Metric Net Weight 176.901 G
Consumer - Metric Height Dimension 3.175 CM
Consumer - Metric Length Dimension 36.83 CM
Consumer - Metric Width Dimension 24.13 CM
Consumer - Item Quantity 1
Consumer - Total Unit Quantity 1
Consumer - Previous Packaging Level Quantity 1
Consumer - Item Unit RLS
Consumer - Unit ROL
Pallet - Previous Packaging Level Unit LOOS
Pallet - Pallet Layer Quantity 1
Pallet - Shipping Container Per Layer Quantity 999
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