• Item Name: 3M™ Dual Lock™ Reclosable Fastener SJ3445
• Manufacturer: 3M
• Technologies: Interlocking mushroom-shaped heads, non-woven backing, attachment with hot melt, epoxy, or liquid adhesives
• Color: Black
• Cure Type: None (mechanical fastening, no curing required)
• Package Size: 2 Roll/Case
• Shelf Life: Contact to Techniq VN for details
1. Product Overview
3M™ Dual Lock™ Reclosable Fastener SJ3445 is a black, durable fastening solution featuring interlocking mushroom-shaped heads with 250 stems per square inch. It provides a strong, reliable, and reclosable attachment that can replace traditional screws, nuts, or bolts, offering aesthetic and functional advantages in various applications.
2. Applications
Ideal for construction, electronics, general industrial, retail, woodworking, MRO, consumer goods, furniture, specialty vehicles, and transportation, this fastener is suited for both indoor and outdoor use. It attaches via hot melt, epoxy, or liquid adhesives and allows easy repositioning of parts before securing.
3. Typical Properties
| Property | Description |
|---|---|
| Product Type | Reclosable fastener with interlocking mushroom heads |
| Color | Black |
| Stem Density | 250 stems per square inch |
| Engaged Thickness | 7 mm |
| Closure Life | Up to 1000 open/close cycles |
| Maximum Operating Temperature | 93 °C |
| Adhesive Type | Non-adhesive |
| Form | Roll |
| Dimensions | 1 in x 50 yd (25.4 mm x 45.72 m) |
| Units per Case | 2 rolls |
| Performance Features | Provides strong tensile strength, audible snap closure, long-lasting durability |
| Application Flexibility | Compatible with Type 170, Type 250, or Type 400 fasteners for varying strength |
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Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
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