Shop 3M Dual Lock Reclosable Fastener SJ3871 Black 2 inch 45 yard In Iraq Best Prices
Premium 3M Dual Lock reclosable fastener with modified acrylic adhesive, five times stronger than hook-and-loop, up to 1,000 closure cycles, ideal for industrial applications requiring strong hidden fastening solutions.
The 3M™ Dual Lock™ Reclosable Fastener SJ3871 is a premium black polypropylene fastening solution featuring a modified acrylic adhesive backing designed for industrial and occupational applications. This innovative fastener delivers exceptional strength, offering up to five times greater tensile strength compared to traditional hook-and-loop fasteners, while maintaining the convenience of repeated opening and closing cycles. The product features unique mushroom-shaped heads that snap securely into place, creating an audible confirmation of proper engagement. With a slim 0.24-inch engaged thickness and impressive longevity of up to 1,000 closure cycles before experiencing 50% strength loss, this fastener provides reliable performance for both indoor and outdoor applications.
Designed with versatility in mind, the SJ3871 fastener accommodates Type 170 or Type 250 mating fasteners, offering users flexibility in selecting appropriate closure strength for specific applications. The modified acrylic adhesive bonds effectively to numerous materials including polyethylene, acrylic, polycarbonate, ABS plastics, and powder-coated paints with minimal or no surface preparation required. The black color provides aesthetic appeal by remaining hidden when closed, creating a clean, smooth finished appearance. This roll format product measures 2 inches in width and 45 yards in length, packaged as 1 roll per case for convenient handling and storage.
The 3M™ Dual Lock™ Reclosable Fastener SJ3871 eliminates the need for screws, nails, snaps, rivets, and other unsightly fastening methods, while offering superior functionality and installation efficiency. Ideal for applications including door attachment, flexible solar panel mounting, headliner installation, access panel assembly, signage, and display component positioning, this fastener serves numerous industries including transportation, electronics, medical devices, packaging, furniture manufacturing, and construction. The medium temperature resistance up to 140°F (60°C) and Type 400 stem density ensure reliable performance in demanding environments.
Key Features
- Reclosable system up to five times stronger than hook-and-loop fasteners in tensile strength
- Unique mushroom-shaped heads snap together with audible confirmation of engagement
- Endures up to 1,000 opening and closing cycles before losing 50% of original strength
- Black color remains hidden when closed, providing clean and smooth aesthetic appearance
- Modified acrylic adhesive bonds to plastics, powder-coated paints, and low surface energy materials with minimal preparation
- Snap-in-place installation eliminates need for screws, nails, snaps, rivets, and drilling
- Type 400 stem density mates with Type 170 or 250 fasteners for flexible closure strength options
- Slim 0.24-inch engaged thickness enables compact applications without bulk
- Medium temperature resistance up to 140°F (60°C) for indoor and outdoor use
- Red polyethylene primary liner protects adhesive during storage and handling
Technical Specifications
| Specification |
Value |
| Product Name | 3M Dual Lock Reclosable Fastener SJ3871 |
| Part Number | SJ3871 |
| 3M Product Number | SJ3871 |
| 3M ID | 7010374318 |
| UPC Code | 00051111187982 |
| Product Color | Black |
| Adhesive Type | Modified Acrylic |
| Adhesive Color | Black |
| Product Form | Roll |
| Overall Width (Imperial) | 2 in |
| Overall Width (Metric) | 50.8 mm |
| Overall Length (Imperial) | 45 yd |
| Overall Length (Metric) | 41.14 m |
| Engaged Thickness (Imperial) | 0.24 in |
| Engaged Thickness (Metric) | 6.1 mm |
| Primary Liner Material | Red Polyethylene |
| Primary Liner Color | Red |
| Primary Liner Thickness (Imperial) | 5 mil |
| Primary Liner Thickness (Metric) | 0.13 mm |
| Stem Density | Type 400 |
| Compatible Stem Types | Type 170 or Type 250 |
| Closure Life (Cycles) | 1,000 cycles before 50% strength loss |
| Maximum Operating Temperature (Fahrenheit) | 180°F |
| Maximum Operating Temperature (Celsius) | 82°C |
| Medium Temperature Resistance | Up to 140°F (60°C) |
| Flame Retardant | No |
| Indoor/Outdoor Use | Indoor and Outdoor |
| Units per Case | 1 Roll |
| Smallest Saleable Unit | Roll |
| Brand | 3M Dual Lock |
| Product Type | Reclosable Fastener |
| Application | Interior Mirror & Fixture Attachment, Trim & Molding Attachment, Wall & Door Panel Attachment |
| Tensile Strength Advantage | Up to 5 times stronger than hook-and-loop fasteners |
| Suitable Industries | Construction, Electronics, Furniture, General Industrial, MRO, Medical, Military & Government, Packaging, Retail, Specialty Vehicles, Transportation |
| Recommended Applications | Door attachment, flexible solar panels, headliners, access panels, signs, display components, transportation, electronics, medical devices, packaging |
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