Professional-grade non-adhesive loop fastener with woven nylon backing, 2 inches wide by 50 yards per roll, rated for 5,000 closure cycles, suitable for apparel, cushions, and industrial applications
The 3M™ Loop Fastener SJ3401 is a professional-grade, non-adhesive reclosable fastening solution designed for industrial and occupational applications. This woven nylon loop fastener features a soft, pliable napped loop backing that provides exceptional durability for thousands of opening and closing cycles. Each roll measures 2 inches wide by 50 yards long, with 6 rolls per case, making it ideal for high-volume production environments. The fastener is engineered to work seamlessly with 3M™ Hook Fastener SJ3402, creating a reliable two-part fastening system that serves as an excellent alternative to traditional closures like zippers, screws, snaps, and hooks.
This versatile fastening solution offers outstanding design flexibility and enables fast product assembly without the need for pre-applied adhesive or liner. The non-adhesive backing allows for multiple attachment methods including sewing, hot melt adhesives, and liquid adhesives, giving manufacturers complete customization control. The preshrunk hook and loop construction ensures stability and flatness, while the material maintains excellent temperature resistance up to 200°F (93°C), making it suitable for both indoor and outdoor applications. The fastener is washable and dry cleanable, making it perfect for apparel, uniforms, gloves, and other fabric-based applications.
With a closure life rating of 5,000 cycles, this industrial-grade fastener delivers consistent performance across diverse applications including uniform closures, cushion attachments, graphic attachments, and tarp hanging. The 2mm total tape thickness without liner provides optimal balance between durability and flexibility. This product is specifically formulated for industrial and occupational use only, ensuring compliance with workplace safety standards and regulations.
Key Features
- Woven nylon loop fastener with soft, pliable napped surface for thousands of secure closures
- Non-adhesive backing allows attachment by sewing, hot melt, or liquid adhesives for complete customization
- Durable design rated for 5,000 opening and closing cycles when paired with 3M Hook Fasteners
- Temperature resistant up to 200°F (93°C) for both indoor and outdoor applications
- Preshrunk construction ensures stability and flatness with excellent washable and dry cleanable performance
- Alternative to zippers, screws, snaps, and traditional fastening methods
- Available in 2-inch width with 50-yard length per roll, 6 rolls per case for industrial volumes
- Suitable for uniforms, gloves, clothing, cushion attachments, and graphic applications
Technical Specifications
| Specification |
Value |
| Part Number | SJ3401 |
| Brand | 3M |
| Product Type | Loop Fastener |
| Product Color | Black |
| Product Form | Roll |
| Overall Width (Imperial) | 2 inches |
| Overall Width (Metric) | 50.8 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 | 5,000 cycles |
| Units per Case | 6 rolls |
| Smallest Saleable Unit | Roll |
| UPC Code | 00021200625442 |
| 3M ID | 7000051773 |
| Indoor/Outdoor Use | Both |
| Washable | Yes |
| Dry Cleanable | Yes |
| Attachment Methods | Sewing, hot melt adhesives, liquid adhesives |
| Compatible Fastener | 3M Hook Fastener SJ3402 |
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