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  • 3M™ Dual Lock™ Reclosable Fastener SJ3871
  • 3M™ Dual Lock™ Reclosable Fastener SJ3871

    3M Product Number SJ3871
    Products
    • Reclosable system is up to five times stronger than hook-and-loop fasteners
    • 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
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    Specifications
    Attribute Name
    Value
    Adhesive Type
    Modified Acrylic Adhesive
    Application
    Interior Mirror & Fixture Attachment, Trim & Molding Attachment, Wall & Door Panel Attachment
    Brand
    Dual Lock™
    Closure Life
    1000
    Color
    Black, Black
    Engaged Thickness (Imperial)
    0.24 in
    Flame Retardant
    No
    Indoor/Outdoor
    Both
    Industries
    Construction, Electronics, Furniture, General Industrial, Medical, Military & Government, MRO, Packaging, Retail, Specialty Vehicle, Transportation
    Length
    45 Linear Yard
    Length (Metric)
    41.14 m
    Low Profile
    No
    Maximum Operating Temperature (Celsius)
    82 Degree Celsius
    Maximum Operating Temperature (Fahrenheit)
    180 Degree Fahrenheit
    Primary Liner
    Red Polyethylene
    Primary Liner Thickness (Imperial)
    5 mil
    Product Form
    P1400/R3500
    Solution for
    Wireless Network: Infrastructure Accessories
    Stem Density
    400
    Volatile Organic Compounds (VOCs)
    See Safety Data Sheet, Regulatory Data Sheet
    Width
    0.5 in, 1 in, 2 in
    Width (Metric)
    12.7 mm, 25.4 mm, 50.8 mm
    Details
    • Reclosable system is up to five times stronger than hook-and-loop fasteners
    • 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
    • Type 400 stem density polyolefin fastener mates to type 170 or 250
    • Ideal for indoor and outdoor use to attach doors, flexible solar panels, headliners, access panels, signs and display components
    • Medium temperature resistance – up to 140°F (60°C)

    The 3M™ Dual Lock™ Reclosable Fastener SJ3871 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.

    Our remarkable 3M™ Dual Lock™ Reclosable Fastener SJ3871 can be opened and closed over and over, up to 1,000 times before losing 50% of the original strength, for repeated access or repositioning. The mushroom heads easily slide over each other allowing positioning of parts before they are snapped together to create a firm fastening attachment. When mated, the fasteners are hidden from view and leave you with an unbroken surface to help create a smooth, clean appearance. The type 400 stem density polyolefin fastener mates to type 170 or 250 giving the user the option of different closure strength depending upon application.

    Recommended Applications

    • General industrial
    • Transportation
    • Specialty vehicle
    • Medical
    • Packaging
    • Point of purchase displays
    • Exhibits
    • Electronics
    • Construction
    • Furniture
    Maintenance repair and operations (MRO)
    This fastener is backed by a modified acrylic adhesive that bonds to many plastics (polyethylene, acrylic, polycarbonate and ABS), powder coated paints and medium to low surface energy materials with little or no surface preparation.

    3M™ Dual Lock™ Reclosable Fastener SJ3871
    Unique mushroom-shaped heads snap shut and stay locked
    Hear the Snap
    "Snap!" It's the one word that best defines our extensive line of 3M™ Dual Lock™ Reclosable Fastener products. Here's how it works: When two pieces of 3M Dual Lock Reclosable Fastener are pressed together, the stems flex and the mushroom heads slide past each other. After passing the mushroom heads on the opposing mating piece, a stem snaps up into its original position, interlocking with the opposing heads. Listen for the audible snap to signal that the fastener is engaged. The attachment formed may be as effective as screws or rivets, but will peel apart for repositioning. 3M Dual Lock Reclosable Fasteners are used extensively in transportation, electronics, business equipment, machinery, medical and sign and display markets.

    Lose the Screws
    The bond is strong but can easily be detached; just pull apart to disengage and reattach as needed. This means that our product gives you a strong, hidden closure with the convenience of multiple openings and closings so you can lose the screws, rivets, hooks, bolts, zippers and other unsightly attachment methods. In short — our product is an aesthetically pleasing fastener that doesn't sacrifice attachment strength; in fact, the 3M™ Dual Lock™ Reclosable Fastener SJ3871 is about five times stronger in tensile strength than 3M Hook and Loop Fasteners used in comparable applications. In many cases, this attachment method also saves the user money with less material used. Additionally, there's no need to drill holes that might weaken the part or substrate, and no tools required to assemble or remove the part.

    You expect more options to secure, attach and connect surfaces. 3M Dual Lock Reclosable Fasteners offer quick installation and high-strength attachment, yet can be opened as easily as zippers. That functional flexibility, as well as superior aesthetics, reduced weight, and savings in labor and installation costs, make our innovative fasteners a popular and effective solution.


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