Professional reclosable hook fastener with high-tack rubber adhesive, woven nylon backing, and 5000 closure cycles durability. Ideal for industrial applications requiring secure, reusable fastening without sewing or traditional closures.
The 3M™ Hook Fastener SJ3530 is a professional-grade reclosable fastening solution designed for industrial and occupational applications. This two-part fastener system features a woven nylon hook backing with approximately 300 hooks per square inch, engineered to provide exceptional durability through thousands of opening and closing cycles. The fastener is backed with a high-tack rubber-based pressure-sensitive adhesive that delivers fast tack, excellent shear strength, and reliable bonding to a variety of substrates including plastics like polyethylene and polypropylene.
This hook fastener offers superior design flexibility and enables fast product assembly compared to traditional closure methods such as zippers, screws, snaps, and hooks. When paired with 3M™ Loop Fastener SJ3531, the SJ3530 creates a durable, reusable fastening system suitable for securing fabric to furniture cushions, point of purchase displays, signage, and general indoor industrial applications. The product comes in a convenient 2-inch width by 50-yard length roll format, with 2 rolls per case for bulk purchasing.
The adhesive system is specifically formulated for indoor use with a maximum operating temperature of 90°F (32°C) and an engaged thickness of 0.15 inches (3.8mm). The 3 mil polyethylene film liner ensures stability and flatness, while the preshrunk hook and loop materials maintain consistent performance. This fastener eliminates the need for sewing, solvent activation, dielectric bonding, or bulk adhesive application, making it an efficient solution for modern manufacturing and assembly operations.
Key Features
- Woven nylon hook fastener with approximately 300 hooks per square inch for superior gripping power
- High-tack rubber-based pressure-sensitive adhesive with fast tack and excellent shear strength
- Provides durability for 5000 opening and closing cycles when paired with 3M Loop Fasteners
- Bonds reliably to various substrates including plastics, polyethylene, and polypropylene
- Eliminates need for sewing, solvent activation, dielectric bonding, or bulk adhesive application
- Preshrunk hook and loop materials ensure stability and flatness
- Indoor use rated with maximum operating temperature of 90°F (32°C)
- Available in convenient 2-inch width by 50-yard length roll format
- Alternative solution to zippers, screws, snaps, and traditional fastening methods
- Suitable for furniture cushions, point of purchase displays, signage, and industrial applications
Technical Specifications
| Specification |
Value |
| Brand | 3M |
| Product Number | SJ3530 |
| UPC | 00021200656156 |
| Product Form | Roll |
| Product Color | Black |
| Overall Width (Imperial) | 2 in |
| Overall Width (Metric) | 50.8 mm |
| Overall Length (Imperial) | 50 yd |
| Overall Length (Metric) | 45.72 m |
| Engaged Thickness (Imperial) | 0.15 in |
| Engaged Thickness (Metric) | 3.8 mm |
| Primary Liner Thickness (Imperial) | 3 mil |
| Primary Liner Thickness (Metric) | 0.08 mm |
| Maximum Operating Temperature (Fahrenheit) | 90 °F |
| Maximum Operating Temperature (Celsius) | 32 °C |
| Closure Life Cycles | 5000 |
| Hook Density | Approximately 300 hooks per square inch |
| Backing Material | Woven nylon |
| Adhesive Type | High-tack rubber-based pressure-sensitive adhesive |
| Units per Case | 2 rolls |
| Smallest Saleable Unit | Roll |
| Recommended Use | Indoor industrial applications |
| Compatible Fastener | 3M Loop Fastener SJ3531 |
| Industries | Construction, Electronics, Furniture, General Industrial, Medical, Military & Government, Specialty Vehicles, Transportation |
| Applications | Securing fabric to furniture cushions, point of purchase displays, signage, indoor general industrial applications |
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