Premium non-adhesive woven nylon loop fastener for industrial applications, rated for 5000 closure cycles, available in 4 inch x 50 yard rolls with 3 rolls per case.
The 3M™ Loop Fastener SJ3401 is a premium non-adhesive reclosable fastening solution designed for industrial and occupational applications requiring thousands of secure openings and closures. This woven nylon loop fastener delivers exceptional durability and design flexibility, making it an ideal alternative to traditional fastening methods such as zippers, screws, snaps, and hooks. The fastener comes in rolls measuring 4 inches wide by 50 yards long, with 3 rolls per case, providing ample material for comprehensive project implementation.
Features a woven nylon loop backing covered with thousands of soft, pliable napped loops that engage with 3M™ Hook Fasteners to create a quick, secure fastening system. The non-adhesive design allows for easy customization through sewing, hot melt adhesives, or liquid adhesives, enabling seamless integration into various fabric-based applications. Both the hook and corresponding loop are preshrunk to ensure stability and flatness during repeated use cycles. The fastener maintains excellent performance with a maximum operating temperature of 200°F (93.3°C) and is suitable for both indoor and outdoor applications.
This versatile fastening solution excels in apparel closures, cushion attachments, graphic attachments, tarp hanging, and trade show exhibits across multiple industries including construction, electronics, furniture, general industrial, medical, military and government, specialty vehicles, and transportation. With a closure life rated at 5000 cycles, the 3M™ Loop Fastener SJ3401 provides reliable, long-lasting performance for demanding industrial applications. The product is washable and dry cleanable, maintaining its integrity through repeated laundering and cleaning processes.
Key Features
- Woven nylon loop backing with thousands of soft, pliable napped loops for secure engagement
- Non-adhesive design allows attachment by sewing, hot melt, or liquid adhesives for complete customization
- Preshrunk hooks and loops ensure stability, flatness, and consistent performance through 5000 closure cycles
- Temperature resistant up to 200°F (93.3°C) suitable for both indoor and outdoor applications
- Washable and dry cleanable with maintained integrity through repeated laundering and professional cleaning
Technical Specifications
| Specification |
Value |
| Product Type | Loop Fastener |
| Part Number | SJ3401 |
| Product Color | Black |
| Product Form | Roll |
| Overall Width (Imperial) | 4 inches |
| Overall Width (Metric) | 101.6 mm |
| Overall Length (Imperial) | 50 yards |
| Overall Length (Metric) | 45.72 meters |
| Total Tape Thickness without Liner (Imperial) | 0.08 inches |
| Total Tape Thickness without Liner (Metric) | 2 mm |
| Engaged Thickness (Imperial) | 0.12 inches |
| Engaged Thickness (Metric) | 3.1 mm |
| Backing Material | Woven Nylon |
| Adhesive Type | Non-adhesive |
| Liner Material | None |
| Maximum Operating Temperature (Fahrenheit) | 200°F |
| Maximum Operating Temperature (Celsius) | 93.3°C |
| Closure Life Rating | 5000 cycles |
| Units per Case | 3 rolls |
| Smallest Saleable Unit | Roll |
| Good for Outdoors | Yes |
| Brand | 3M |
| UPC | 00021200672125 |
| 3M ID | 7000051797 |
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