Industrial-grade beige loop fastener with acrylic adhesive backing, 3/4 inch width, 50 yards per roll, 4 rolls per case, rated for 5,000 closure cycles with excellent temperature and chemical resistance.
The 3M™ Loop Fastener SJ3571 is a premium industrial-grade reclosable fastening solution designed for applications requiring thousands of reliable openings and closures. This beige loop fastener features a woven nylon backing covered with thousands of soft, pliable napped loops that engage seamlessly with 3M™ Hook Fasteners to create a secure, reusable attachment system. The fastener measures 3/4 inch (19.05 mm) in width and comes in a 50-yard (45.72 m) roll with 4 rolls per case, providing substantial coverage for industrial applications.
Backed by a high-performance acrylic-based pressure-sensitive adhesive, this loop fastener delivers exceptional durability and performance across diverse substrates including metals, plastics, and composites. The adhesive excels in bonding to high and medium surface energy materials such as clean dry metals and low surface energy substrates including polycarbonate, polystyrene, acrylic, and nylon. With excellent shear strength, chemical and solvent resistance, and UV stability, this fastener maintains its integrity in both indoor and outdoor environments with operating temperatures up to 200°F (93°C).
The SJ3571 offers an innovative alternative to traditional closure methods such as zippers, screws, snaps, and hooks. Featuring a 4 mil (0.1 mm) polypropylene film liner with embossed 3M print, this fastener provides 5,000 closure cycles of reliable performance. The product is preshrunk for dimensional stability and flatness, ensuring consistent performance throughout its lifecycle. Ideal for furniture cushion attachment, point-of-purchase displays, signage, marine applications, and specialty vehicle applications, this fastener combines design flexibility with fast product assembly for industrial professionals.
Key Features
- Durable reclosable fastener providing 5,000 opening and closure cycles when paired with 3M Hook Fasteners
- Woven nylon loop backing with thousands of soft, pliable napped loops for secure engagement
- High-performance acrylic-based pressure-sensitive adhesive with excellent shear strength and chemical resistance
- Temperature resistant up to 200°F (93°C) with exceptional UV stability for indoor and outdoor applications
- Bonds to diverse substrates including metals, polycarbonate, acrylic, ABS, polystyrene, and nylon with medium to high surface energy
Technical Specifications
| Specification |
Value |
| Product Type | Loop Fastener |
| Part Number | SJ3571 |
| Color | Beige |
| Overall Width (Imperial) | 0.75 inches |
| Overall Width (Metric) | 19.05 mm |
| Overall Length (Imperial) | 50 yards |
| Overall Length (Metric) | 45.72 meters |
| Product Form | Roll |
| Units per Case | 4 rolls |
| Backing Material | Woven Nylon |
| Adhesive Type | High Performance Acrylic-Based Pressure Sensitive |
| Liner Material | Polyolefin (Polypropylene) |
| Liner Thickness (Imperial) | 4 mil |
| Liner Thickness (Metric) | 0.1 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 |
| Core Size (Imperial) | 3 inches |
| Core Size (Metric) | 76.2 mm |
| Closure Life Cycles | 5,000 cycles |
| Maximum Operating Temperature (Fahrenheit) | 200°F |
| Maximum Operating Temperature (Celsius) | 93°C |
| Conformability | Medium |
| Breathable | Yes |
| Indoor/Outdoor Use | Indoor/Outdoor |
| Good for Outdoors | Yes |
| Printable Backing | No |
| UPC Code | 00051115250682 |
| 3M ID | 7010312174 |
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