Industrial-grade 4-inch x 50-yard black hook fastener with high-performance acrylic adhesive for durable reclosable fastening with 5000+ closure cycles
The 3M™ Hook Fastener SJ3572 is a premium industrial-grade reclosable fastening solution designed for thousands of secure openings and closures. This 4-inch wide by 50-yard roll features a woven nylon hook backing with approximately 300 hooks per square inch, providing exceptional gripping power and design flexibility. The fastener is engineered with a high-performance acrylic-based pressure-sensitive adhesive that delivers excellent shear strength, chemical resistance, and solvent resistance while bonding reliably to a wide variety of substrates including metals, plastics, polycarbonate, acrylic, ABS, and polystyrene.
This hook fastener is specifically designed to work in tandem with 3M™ Loop Fasteners, particularly the SJ3571 model, creating a complete two-part fastening system that eliminates the need for traditional closures such as zippers, screws, snaps, and hooks. The flexible J-shaped hooks engage with compatible loop materials to form a quick, secure attachment that can withstand repeated use. Both the hook and loop components are preshrunk to ensure stability and flatness throughout the product lifecycle.
The SJ3572 excels in demanding marine and specialty vehicle applications, offering excellent temperature resistance up to 200°F (93°C) and outstanding UV stability. With a 4 mil polypropylene film liner featuring embossed 3M branding, this fastener provides professional-grade performance for industrial applications including furniture cushion attachment, point-of-purchase displays, signage, and general industrial use. The pressure-sensitive adhesive technology allows for manual or automatic application using standard equipment, reducing or eliminating the need for sewing, solvent activation, or bulk adhesive bonding.
Key Features
- Reclosable fastener provides durability for 5000+ openings and closures
- Woven nylon hook backing with approximately 300 hooks per square inch for superior grip
- High-performance acrylic-based pressure-sensitive adhesive with excellent shear strength
- Temperature resistant up to 200°F (93°C) with outstanding UV stability
- Compatible with 3M Loop Fasteners for complete two-part fastening system
- Bonds to various substrates including metals, plastics, polycarbonate, acrylic, ABS, and polystyrene
- Preshrunk hook and loop components for stability and flatness
- Excellent chemical and solvent resistance for demanding applications
- Suitable for indoor and outdoor use
- Alternative to zippers, screws, snaps, and traditional closures
Technical Specifications
| Specification |
Value |
| Product Type | Hook Fastener |
| Part Number | SJ3572 |
| Brand | 3M™ |
| 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 |
| Core Size (Imperial) | 3 inches |
| Core Size (Metric) | 76.2 mm |
| Total Tape Thickness without Liner (Imperial) | 91 mil (0.091 inches) |
| Total Tape Thickness without Liner (Metric) | 2.4 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 |
| Backing Material | Woven Nylon |
| Liner Material | Polyolefin (Polypropylene) |
| Adhesive Type | High Performance Acrylic |
| Hook Density | Approximately 300 hooks per square inch (46 hooks per square cm) |
| Closure Life | 5000+ cycles |
| Maximum Operating Temperature (Fahrenheit) | 200°F |
| Maximum Operating Temperature (Celsius) | 93°C |
| Conformability | Medium |
| Breathable | Yes |
| Indoor/Outdoor Use | Indoor/Outdoor |
| Printable Backing | No |
| Units per Case | 1 Roll |
| Smallest Saleable Unit | Roll |
| Product Usage | Device Closure |
| Features | Industrial Applications |
| Solution Category | Office Products |
| Compatible With | 3M Loop Fasteners (SJ3571 and others) |
| Recommended Applications | Securing fabric to furniture cushions, Point of purchase displays, General industrial applications, Marine and specialty vehicle applications |
| Industries | Automotive, Construction, Electronics, Furniture, General Industrial, Medical, Military & Government, Specialty Vehicles, Transportation |
| Substrate Compatibility | Metals, Plastics, Polycarbonate, Acrylic, ABS, Polystyrene, Nylon |
| Chemical Resistance | Excellent |
| Solvent Resistance | Excellent |
| UV Stability | Excellent |
| Shear Strength | Excellent |
| UPC Code | 00021200386787 |
| 3M ID | 7100057934 |
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