Professional-grade black woven nylon loop fastener with high-performance acrylic adhesive, providing 5000 closure cycles for industrial applications. Ideal for securing fabric, furniture, signage, and marine applications with excellent temperature and UV resistance.
The 3M™ Loop Fastener SJ3571 is a professional-grade reclosable fastening solution designed for industrial applications requiring thousands of reliable openings and closures. This woven nylon loop fastener features a high-performance acrylic-based pressure-sensitive adhesive that delivers exceptional durability and versatility. When paired with 3M™ Hook Fasteners, this fastener system provides an excellent alternative to traditional closures such as zippers, screws, snaps, and hooks, making it ideal for securing fabric to furniture cushions, point-of-purchase displays, signage, and general industrial applications.
The fastener is engineered with a 4 mil polypropylene film liner featuring embossed 3M branding, ensuring stability and flatness during application and use. The high-performance acrylic adhesive bonds exceptionally well to both high and medium surface energy substrates including clean dry metals, as well as low surface energy substrates such as polycarbonate, polystyrene, acrylic, and nylon. The adhesive exhibits excellent heat and moisture resistance with superior UV stability and outstanding shear strength, making it suitable for marine and specialty vehicle applications.
With a closure life rating of 5000 cycles and maximum operating temperature of 200°F (93°C), this fastener delivers reliable performance in both indoor and outdoor environments. The breathable nylon backing covered with thousands of soft, pliable napped loops provides smooth and clean exterior surfaces while maintaining excellent product performance. The pressure-sensitive adhesive design reduces or eliminates the need for sewing, solvent activation, dielectric bonding, or bulk adhesive application, allowing for manual or automatic installation using various equipment choices.
Key Features
- Woven nylon loop fastener with thousands of soft, pliable napped loops for secure engagement with hook fasteners
- High-performance acrylic-based pressure-sensitive adhesive with excellent shear strength and chemical resistance
- 5000 closure cycles rating for reliable durability in repeated opening and closing applications
- Maximum operating temperature of 200°F (93°C) with superior UV stability and moisture resistance
- Bonds to variety of substrates including polycarbonate, acrylic, ABS, polystyrene, and metals
- Alternative solution to zippers, screws, snaps, and traditional closure methods
- Breathable and suitable for both indoor and outdoor use
- Preshrunk backing ensures stability and flatness during application
- Available in 1.5 inch width with 50 yard length per roll, 2 rolls per case
- Pressure-sensitive adhesive allows manual or automatic application without sewing or solvent activation
Technical Specifications
| Specification |
Value |
| Product Type | Loop Fastener |
| Part Number | SJ3571 |
| 3M Product Number | SJ3571 |
| 3M ID | 7000029603 |
| UPC Code | 00021200873140 |
| Product Color | Black |
| Product Form | Roll |
| Overall Width (Imperial) | 1.5 in |
| Overall Width (Metric) | 38.1 mm |
| Overall Length (Imperial) | 50 yd |
| Overall Length (Metric) | 45.72 m |
| Core Size (Imperial) | 3 in |
| Core Size (Metric) | 76.2 mm |
| Total Tape Thickness without Liner (Imperial) | 125 mil |
| Total Tape Thickness without Liner (Metric) | 3.2 mm |
| Engaged Thickness (Imperial) | 140 mil |
| Engaged Thickness (Metric) | 3.6 mm |
| Primary Liner Thickness (Imperial) | 4 mil |
| Primary Liner Thickness (Metric) | 0.1 mm |
| Adhesive Type | High Performance Acrylic |
| Backing Material | Nylon |
| Liner Material | Polyolefin |
| Maximum Operating Temperature (Fahrenheit) | 200°F |
| Maximum Operating Temperature (Celsius) | 93°C |
| Closure Life (Cycles) | 5000 |
| Conformability | Medium |
| Breathable | Yes |
| Indoor/Outdoor | Indoor/Outdoor |
| Good For Outdoors | Yes |
| Printable Backing | No |
| Units per Case | 2 rolls |
| Smallest Saleable Unit | Roll |
| Brand | 3M |
| Features | Industrial Applications |
| Solution Category | Office Products |
| Product Usage | Device Closure |
| Recommended Applications | Securing fabric to furniture cushions, point of purchase display and signage, general industrial applications, marine and specialty vehicle applications |
| Compatible Industries | Automotive, Construction, Electronics, Furniture, General Industrial, Medical, Military & Government, Specialty Vehicles, Transportation |
| Application Types | Apparel closure, curtain fastening, cushion attachment, floor mat attachment, fuse panel cover attachment, graphic attachment, gym mat attachment, interior mirror & fixture attachment, light panel attachment, mounting & trim attachment, mounting airplane seat covers, Roman window shade attachment, tarp hanging, temporary fastening, trade show exhibits, upholstery & seating attachment |
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