Shop 3M Dual Lock Reclosable Fastener SJ3542 Black 0.75 inch 50 yard In Iraq Best Prices
Professional-grade reclosable fastener with interlocking mushroom heads, 170 stem density, up to 5X tensile strength, supports 1000 closure cycles, pressure-sensitive adhesive, indoor use, audible snap verification, black polyolefin backing.
The 3M™ Dual Lock™ Reclosable Fastener SJ3542 is a revolutionary fastening solution designed to replace traditional screws, nuts, and bolts. Featuring interlocking mushroom-shaped heads with 170 stem density per square inch, this fastener delivers exceptional strength—up to 5X the tensile strength of typical hook-and-loop products. The synthetic rubber-based adhesive bonds reliably to a variety of substrates, including low surface energy plastics such as polyethylene and polypropylene, making it ideal for diverse industrial applications.
This reclosable fastening system can be opened and closed multiple times without losing strength, supporting up to 1000 closure cycles. The fastener comes in a convenient 2-roll case with each roll measuring 0.75 inches wide by 50 yards long, featuring a black polyolefin backing and white polyolefin primary liner. Installation is quick and tool-free—no drilling, screwing, or sewing required. Simply peel away the removable film liner, apply the pressure-sensitive adhesive to your substrate, and press firmly for quick stick activation with short dwell time.
Designed for indoor use with excellent temperature resistance up to 120°F (49°C), the SJ3542 produces an audible snap when properly secured, verifying closure and providing peace of mind. The fastener mates seamlessly with Type 250 and Type 400 stem densities to provide customizable strength combinations for varying project requirements. Ideal applications include access panels, interior signage, decorative trim, office partitions, and product identification. This hidden fastener provides a snug fit and smooth aesthetic appearance while maintaining the integrity of your materials.
Key Features
- Interlocking mushroom-shaped heads with 170 stem density per square inch for superior strength
- Up to 5X greater tensile strength compared to standard hook-and-loop fasteners
- Reclosable design supports up to 1000 closure cycles without strength degradation
- Synthetic rubber-based adhesive bonds effectively to low surface energy plastics and diverse substrates
- Audible snap verification confirms secure closure and proper engagement
- Tool-free installation with no drilling, screwing, or sewing required
- Pressure-sensitive adhesive with quick stick and short dwell time for rapid deployment
- Compatible with Type 250 and Type 400 stem densities for customizable strength options
- Temperature resistant up to 120°F (49°C) for reliable indoor performance
- Smooth aesthetic appearance with hidden fastening for professional finished look
Technical Specifications
| Specification |
Value |
| Product Name | 3M Dual Lock Reclosable Fastener SJ3542 |
| Part Number | SJ3542 |
| 3M Product Number | SJ3542 |
| 3M ID | 7000051897 |
| UPC Code | 00021200863653 |
| Product Color | Black |
| Product Form | Roll |
| Overall Width (Imperial) | 0.75 inches |
| Overall Width (Metric) | 19.05 mm |
| Overall Length (Imperial) | 50 yards |
| Overall Length (Metric) | 45.72 meters |
| Engaged Thickness (Imperial) | 0.23 inches |
| Engaged Thickness (Metric) | 5.8 mm |
| Stem Density | 170 stems per square inch |
| Closure Life Cycles | 1000 cycles |
| Backing Material | Polyolefin (PE foam) |
| Primary Liner Material | White Polyolefin |
| Primary Liner Thickness (Imperial) | 5 mil |
| Primary Liner Thickness (Metric) | 0.13 mm |
| Adhesive Color | Black |
| Adhesive Type | Synthetic rubber-based pressure-sensitive |
| Maximum Operating Temperature (Fahrenheit) | 120°F |
| Maximum Operating Temperature (Celsius) | 49°C |
| Indoor/Outdoor Rating | Indoor use only |
| Flame Retardant | No |
| Units per Case | 2 rolls |
| Smallest Saleable Unit | Roll |
| Brand | 3M Dual Lock |
| Compatible Stem Densities | Type 250 and Type 400 |
| Tensile Strength Advantage | Up to 5X stronger than hook-and-loop products |
| Application Type | Reclosable fastening |
| Installation Method | Tool-free, pressure-sensitive adhesive application |
| Dwell Time | Short dwell time with quick stick |
| Closure Verification | Audible snap confirmation |
| Substrate Compatibility | Low surface energy plastics, polyethylene, polypropylene, and various industrial substrates |
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