Dual Lock™ 021200-64704 Mushroom Shaped Non-Adhesive Reclosable Hook and Loop Fastener Tape, 50 yd L x 1 in W, 0.28 in THK Engaged, Non-Woven Backing, Black
- Item Code: 3M 021200-64704
- Brand: Dual Lock
- Mfg Part No: 021200-64704
- Manufacturer: 3M
- Unit Size: 1
Description
3M™ Dual Lock™ reclosable fastener SJ3444 is up to five times stronger in tensile strength than hook and loop fasteners. As tough, polyolefin mushroom shaped stems snap together, they provide both tensile strength to replace traditional fasteners and a cleaner looking result. These remarkable fasteners can be opened and closed up to 1000X, before losing 50% of its original tensile strength. Temperature, moisture and UV resistant. Designed to engage with either type 250 or type 400 systems, the mushroom shaped stems on the 3M™ Dual Lock™ reclosable fastener SJ3444 easily slide over each other, allowing for positioning of parts, before they are snapped together to create a firm fastening attachment. When mated, the fasteners are hidden from view and leave an unbroken surface to help create a smooth, clean appearance. Select the right fastener for the job 3M™ Dual Lock™ reclosable fastener SJ3444 is a "Type 170," which means its surface has approximately 170 stems per sq-in. Stems and heads are manufactured from polyolefin and the backing is made of a unique felt-like non-woven fabric. For use with a variety of hot melt or liquid adhesives, it can be bonded to wood, foam, fabric or similar materials. This construction allows for better contact with surfaces having slight texturing or surface irregularities. To gain various levels of holding power, this fastener should be mated with different 3M™ Dual Lock™ reclosable fastener types, such as SJ3443 or SJ3445. Suggested combinations of mated fasteners are - type 250 to type 170 type 250 to type 250 type 170 to type 400 type 250 to type 400. After passing the mushroom heads on the opposing mating piece, a stem snaps up into its position, interlocking with the opposing heads. The audible snap signals 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. Applications include attaching signs, enclosure panels, banners, repositionable shelving, vehicle ceiling panels, furniture seats and backs, marine carpeting and orthopedic brace closures. Today, designers, manufacturers and consumers expect more options to secure, attach and connect surfaces. 3M™ Dual Lock™ reclosable fasteners offer rapid 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 these innovative fasteners a popular and effective solution.
Features
Back To Top- Black, interlocking mushroom shaped heads (170 stem density/sq-in) provide strong, reliable and durable fastening that can be opened and closed multiple times
- Mates with type 250 or type 400 stem densities to provide different strength combinations
- Non-woven backing allows for attachment with hot melt, epoxy or liquid adhesives
- 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
- Suited for indoor or outdoor use
- Ideal for indoor and outdoor use to attach doors, access panels, cushions, headliners, signs and display components
- Reclosable system is up to five times stronger in tensile strength than typical hook-and-loop fasteners
Tech Specs
Back To TopBacking Material | Non-Woven |
---|---|
Color | Black |
Engaged Thickness | 0.28 |
Length | 50 |
Maximum Operating Temperature | 200 |
Specifications Met | ASTM E-162/E-595/E-662 |
Stem Density | 170 |
Type | Mushroom Shaped Non-Adhesive Reclosable |
UPC | 02120064704 |
Width | 1 |
Applications
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