Shop 3M Dual Lock Reclosable Fastener SJ3540 Black 6 inch 50 yard In Iraq Best Prices
Industrial-grade reclosable fastener with 250 stem density mushroom heads, 5X stronger than hook-and-loop, synthetic rubber adhesive bonds to plastics, 1000 closure cycles, 6 in x 50 yd roll.
The 3M™ Dual Lock™ Reclosable Fastener SJ3540 is an innovative fastening solution that replaces traditional screws, bolts, and nuts with a durable, reusable alternative. Featuring interlocking mushroom-shaped heads with 250 stem density per square inch, this fastener delivers exceptional strength—up to 5X the tensile strength of typical hook-and-loop products. The black 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.
Designed for quick and easy installation without drilling, screwing, or sewing tools, the SJ3540 comes in a convenient 6-inch wide by 50-yard roll format. The pressure-sensitive adhesive features quick stick and short dwell time, protected by a removable film liner. This fastener can be opened and closed multiple times—up to 1000 closure cycles—while maintaining its strength and reliability. The audible snap when securing provides verification of proper closure, and disengagement is as simple as peeling the pieces apart by hand.
With a maximum operating temperature of 120°F (49°C), the 3M Dual Lock SJ3540 is best suited for indoor applications including access panels, interior signage, decorative trim, office partitions, and product identification. The engaged thickness of 226 mils (5.8mm) provides a robust yet hidden fastening system that maintains the aesthetic integrity of your materials while offering superior performance and design flexibility.
Key Features
- Interlocking mushroom-shaped heads with 250 stem density provide up to 5X tensile strength of traditional hook-and-loop fasteners
- Synthetic rubber-based adhesive bonds reliably to low surface energy plastics including polyethylene and polypropylene
- Reclosable design allows up to 1000 attachment and detachment cycles while maintaining strength and durability
- Audible snap verification confirms secure closure; simple hand-peel disengagement requires no tools
- Quick installation without drilling, screwing, or sewing; pressure-sensitive adhesive with short dwell time and removable film liner
Technical Specifications
| Specification |
Value |
| Product Number | SJ3540 |
| Part Number | SJ3540 |
| 3M ID | 7100036637 |
| UPC Code | 00048011579160 |
| Overall Width | 6 inches (152.4 mm) |
| Overall Length | 50 yards (45.72 meters) |
| Product Form | Roll |
| Color | Black |
| Stem Density | 250 per square inch |
| Engaged Thickness | 226 mils (5.8 mm) |
| Primary Liner Thickness | 5 mils (0.13 mm) |
| Backing Material | Polyolefin |
| Primary Liner Color | White Polyolefin |
| Adhesive Type | Synthetic Rubber |
| Adhesive Color | Black |
| Maximum Operating Temperature | 120°F (49°C) |
| Closure Life | 1000 cycles |
| Flame Retardant | No |
| Indoor/Outdoor | Indoor |
| Units per Case | 1 roll |
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