Professional-grade beige hook fastener with rubber adhesive backing, 4 inches wide by 50 yards long, designed for thousands of reliable closures in industrial applications.
The 3M™ Hook Fastener SJ3526N is a professional-grade reclosable fastening solution designed for industrial and occupational applications requiring thousands of reliable open-close cycles. This beige-colored hook fastener features a woven nylon backing with approximately 300 hooks per square inch, engineered to work seamlessly with 3M™ Loop Fasteners for superior durability and performance. The fastener comes in a convenient 4-inch width by 50-yard length roll format, making it ideal for high-volume production environments and diverse application needs.
Backed with a high-performance rubber-based pressure-sensitive adhesive, this hook fastener delivers exceptional fast tack, very good shear strength, and reliable bonding to a variety of substrates including plastics, metals, and fabric surfaces. The 3 mil polyethylene film liner with red 3M print ensures easy handling and precise application. With a maximum operating temperature of 120°F (49°C), this fastener is best suited for indoor industrial applications and provides an excellent alternative to traditional closure methods such as zippers, screws, snaps, and hooks.
Designed for professional installers and industrial users, the SJ3526N combines design flexibility with fast product assembly capabilities. Both the hook and loop components are preshrunk to ensure stability and flatness throughout the product lifecycle. This fastener system is commonly used in upholstery and seating attachment, interior mirror and fixture installation, point-of-purchase displays, and general industrial fastening applications across multiple industries including furniture, electronics, construction, and specialty vehicles.
Key Features
- Woven nylon hook fastener with approximately 300 hooks per square inch for reliable engagement
- High-performance rubber-based pressure-sensitive adhesive with fast tack and excellent shear strength
- Preshrunk hook and loop components ensure stability and flatness throughout product lifecycle
- Maximum operating temperature of 120°F (49°C) suitable for indoor industrial applications
- Compatible with 3M™ Loop Fasteners for thousands of secure open-close cycles
- Bonds reliably to multiple substrates including plastics, metals, and fabric surfaces
- Provides alternative solution to zippers, screws, snaps, and traditional closure methods
- Available in convenient 4-inch width by 50-yard length roll format for high-volume applications
Technical Specifications
| Specification |
Value |
| Product Type | Hook Fastener |
| Part Number | SJ3526N |
| 3M Product Number | SJ3526NFSR |
| UPC Code | 00021200561122 |
| Overall Width (Imperial) | 4 inches |
| Overall Width (Metric) | 101.6 millimeters |
| Overall Length (Imperial) | 50 yards |
| Overall Length (Metric) | 45.72 meters |
| Core Size (Imperial) | 3 inches |
| Core Size (Metric) | 76.2 millimeters |
| Product Color | Beige |
| Backing Material | Woven Nylon |
| Adhesive Type | High Performance Rubber-Based Pressure Sensitive Adhesive |
| Primary Liner Thickness (Imperial) | 3 mils |
| Primary Liner Thickness (Metric) | 0.08 millimeters |
| Total Tape Thickness without Liner (Imperial) | 94.488 mils |
| Total Tape Thickness without Liner (Metric) | 2.4 millimeters |
| Engaged Thickness (Imperial) | 0.15 inches |
| Engaged Thickness (Metric) | 3.8 millimeters |
| Maximum Operating Temperature (Fahrenheit) | 120°F |
| Maximum Operating Temperature (Celsius) | 49°C |
| Closure Life Cycles | 5000 |
| Hook Density | Approximately 300 hooks per square inch |
| Product Form | Roll |
| Units per Case | 1 roll |
| Smallest Saleable Unit | Roll |
| Brand | 3M™ |
| Liner Material | Polyethylene Film with Red 3M Print |
| Recommended Applications | Securing fabric to furniture cushions, point of purchase display and signage, indoor general industrial applications |
| Compatible Products | 3M™ Loop Fastener SJ3527N |
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