Premium 3M black hook fastener with high-performance rubber adhesive, rated for 5000 closure cycles. Features woven nylon construction, 0.75 in width, 50 yd length per roll, 4 rolls per case. Ideal for industrial fastening applications.
The 3M™ Hook Fastener SJ3526N is a premium reclosable fastening solution designed for industrial and occupational applications requiring thousands of reliable opening and closing cycles. This black woven nylon hook fastener features a high-performance rubber-based pressure-sensitive adhesive backing that delivers exceptional bonding strength and fast tack to a variety of substrates including plastics, metals, and painted surfaces. The fastener is engineered with approximately 300 hooks per square inch that protrably engage with compatible 3M™ Loop Fasteners to create a secure, repeatable closure system that eliminates the need for traditional fastening methods like zippers, screws, snaps, or hooks.
This industrial-grade fastener offers outstanding durability with a closure life rating of up to 5000 cycles, making it ideal for applications requiring frequent opening and closing without degradation. The product features a 3 mil polyethylene film liner with red 3M print for easy identification and application. Both the hook and corresponding loop components are preshrunk to ensure superior stability and flatness throughout the product's lifespan. The rubber-based adhesive provides quick stick with short dwell time and excellent shear strength, making it suitable for manual or automatic application using various equipment methods.
Recommended for interior applications with a maximum operating temperature of 120°F (49°C), this hook fastener is particularly well-suited for securing fabric to furniture cushions, point-of-purchase displays and signage, and general industrial applications. The roll format with a 3-inch core diameter and 50-yard length comes in a convenient 4-roll case package, offering excellent value for high-volume users. As an industrial product, it is intended for trained occupational customers only and must be used in compliance with applicable health and safety regulations and standards.
Key Features
- Durable reclosable fastening system rated for thousands of opening and closing cycles
- Woven nylon hook construction with approximately 300 hooks per square inch
- High-performance rubber-based pressure-sensitive adhesive with fast tack and excellent shear strength
- Compatible with 3M Loop Fasteners for secure, repeatable closures
- Preshrunk hook and loop components ensure superior stability and flatness
- Quick stick with short dwell time for efficient application
- Suitable for application to multiple substrates including plastics, metals, and painted surfaces
- Indoor use rated with maximum operating temperature of 120°F (49°C)
- Eliminates need for traditional fastening methods like zippers, screws, and snaps
- Available in convenient 4-roll case format for high-volume applications
Technical Specifications
| Specification |
Value |
| Product Type | Hook Fastener |
| Product Color | Black |
| Overall Width (Imperial) | 0.75 in |
| Overall Width (Metric) | 19.05 mm |
| Overall Length (Imperial) | 50 yd |
| Overall Length (Metric) | 45.72 m |
| Core Size (Imperial) | 3 in |
| Core Size (Metric) | 76.2 mm |
| Engaged Thickness (Imperial) | 0.15 in |
| Engaged Thickness (Metric) | 3.8 mm |
| Total Tape Thickness without Liner (Imperial) | 94.488 mil |
| Total Tape Thickness without Liner (Metric) | 2.4 mm |
| Primary Liner Thickness (Imperial) | 3 mil |
| Primary Liner Thickness (Metric) | 0.08 mm |
| Backing Material | Nylon Woven |
| Adhesive Type | High Performance Rubber-Based Pressure Sensitive |
| Hook Density | Approximately 300 hooks per square inch (46 hooks per square cm) |
| Maximum Operating Temperature (Fahrenheit) | 120°F |
| Maximum Operating Temperature (Celsius) | 49°C |
| Closure Life | 5000 cycles |
| Product Form | Roll |
| Units per Case | 4 |
| Smallest Saleable Unit | Roll |
| Part Number | SJ3526N |
| 3M Product Number | SJ3526NFSR |
| 3M ID | 7000052210 |
| UPC | 00021200863820 |
| Brand | 3M™ |
| Primary Liner Color | Red with 3M print |
| Features | Office Products, Industrial Applications |
| Application | Interior Mirror & Fixture Attachment, Upholstery & Seating Attachment |
| Industries | Construction, Electronics, Furniture, General Industrial, Medical, Military & Government, Specialty Vehicles, Transportation |
| Recommended Use | Indoor general industrial applications, securing fabric to furniture, point of purchase display and signage |
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