3M
3M 65812
Type 250 Dual Lock SJ3540 Fastener
Low Stock, Call (855)326-8958


Details

  • Black, interlocking mushroom-shaped heads (250 stem density per square inch) provide strong, reliable and durable fastening that can be opened and closed multiple times
  • Mates with Type 170, Type 250 or Type 400 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

3M™ Dual Lock™ Reclosable Fastener SJ3540 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.

 

Unlock Simplicity
Durable and secure, 3M™ Dual Lock™ Reclosable Fastener SJ3540 has exceptional strength through its interlocking mushroom-shaped heads (250 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 SJ3540, 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 SJ3540 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. Our 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. Our 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.

 

Specifications

Adhesive Color

Black

Alternative Sale Availability

6. This item is for industrial use only and there are no VOC restrictions.

Application

Attaching Graphics, Guitar Pedal Board Assembly, Kiosk Assembly, Mounting RV Accessories, Mounting Surveillance Cameras, Panel Attachment Systems, Point of Sales System Attachment, Power Strip Attachment, Sensor Attachment, Wall Headliner Attachment, Wall Panel Attachment, Wood Blinds Trim Attachment

Brand

Dual Lock™

Closure Life

1000

Color Family

Black

Engaged Thickness (Imperial)

0.23 in

Engaged Thickness (Metric)

5.8 mm

Flame Retardant

No

Indoor/Outdoor

Indoor

Industries

Construction, Electronics, Furniture, General Industrial, MRO, Packaging, Retail

Maximum Operating Temperature (Celsius)

49 Degree Celsius

Maximum Operating Temperature (Fahrenheit)

120 Degree Fahrenheit

Overall Length (Imperial)

50 yd

Overall Length (Metric)

45.72 m

Overall Width (Imperial)

1 in

Overall Width (Metric)

25.4 mm

Primary Liner

White Polyolefin

Primary Liner Color

White

Primary Liner Thickness (Imperial)

5 mil

Primary Liner Thickness (Metric)

0.13 mm

Product Color

Black

Product Form

Roll

Regulatory Key

AD-00797

Stem Density

250

Substrate 1

Glass (Inked Glass - Ceramic), Metal (Aluminum - Powder Coated - Copper - Stainless Steel - Zinc/Galvanized), Plastics/Composites (ABS - Carbon Fiber - Acrylic - Fiberglass - Polycarbonate - Polyester - Polyimide - Polystyrene - Rigid Vinyl), Plastics/Composites (Nylon - PEEK - Polyethylene - Polypropylene)

Substrate 2

Glass (Inked Glass - Ceramic), Metal (Aluminum - Powder Coated - Copper - Stainless Steel - Zinc/Galvanized), Plastics/Composites (ABS - Carbon Fiber - Acrylic - Fiberglass - Polycarbonate - Polyester - Polyimide - Polystyrene - Rigid Vinyl), Plastics/Composites (Nylon - PEEK - Polyethylene - Polypropylene)

Units per Case

2


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