Premium black hook fastener with woven nylon construction, medium tack rubber adhesive, 4 inch width, 50 yard roll. Delivers durability for thousands of secure closures with design flexibility and fast assembly.
The 3M™ Hook Fastener SJ3532N is a premium reclosable fastening solution designed for industrial and occupational applications requiring thousands of secure openings and closures. This black hook fastener features a woven nylon construction with approximately 300 flexible J-shaped hooks per square inch, providing exceptional durability and design flexibility. The fastener is backed with a medium tack rubber-based pressure sensitive adhesive that offers fast tack, good shear strength, and reliable bonding to various substrates including plastics. When paired with 3M™ Loop Fastener SJ3533N, this system delivers superior performance for demanding applications. The 4-inch width roll comes with 50 yards of material in a single roll case, making it ideal for high-volume production environments.
This hook fastener is engineered with a 3 mil (0.08 mm) polyethylene film liner that ensures stability and flatness for consistent performance. The preshrunk hooks and corresponding loop engagement system provide secure, repeated closures suitable for thousands of attachment cycles. With a maximum operating temperature of 100°F (38°C) and an engaged thickness of 0.15 inches (3.8 mm), this fastener is best suited for indoor general industrial applications. The pressure sensitive adhesive technology eliminates the need for sewing, solvent activation, or bulk adhesive bonding, allowing for manual or automatic application using various equipment choices.
The 3M™ Hook Fastener SJ3532N offers an excellent alternative to traditional closure methods such as zippers, screws, snaps, and hooks. With its smooth and clean exterior surfaces and excellent product performance, this fastener is ideal for securing fabric to furniture cushions, point of purchase displays, signage, and various indoor general industrial applications. The product is manufactured by 3M, a trusted leader in industrial adhesive and tape solutions, and is intended for industrial and occupational use only.
Key Features
- Woven nylon hook fastener with approximately 300 flexible J-shaped hooks per square inch for superior grip and durability
- Medium tack rubber-based pressure sensitive adhesive with fast tack and good shear strength for reliable bonding
- Reclosable fastening system providing durability for thousands of secure openings and closures
- Compatible with 3M™ Loop Fastener SJ3533N for complete two-part fastening solution
- Preshrunk hooks and loops ensuring stability, flatness and consistent performance
- 3 mil polyethylene film liner protecting the adhesive and ensuring product integrity
- Temperature resistant up to 100°F (38°C) for reliable indoor use
- Alternative to zippers, screws, snaps, hooks and other traditional closure methods
- Suitable for manual or automatic application using various equipment options
- Ideal for securing fabric to furniture, point of purchase displays, signage and industrial applications
Technical Specifications
| Specification |
Value |
| Product Number | SJ3532N |
| Part Number | SJ3532 |
| 3M ID | 7010383961 |
| UPC Code | 00021200561160 |
| Brand | 3M™ |
| Product Color | Black |
| Product Form | Roll |
| Overall Width (Imperial) | 4 in |
| Overall Width (Metric) | 101.6 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) | 100 ℉ |
| Maximum Operating Temperature (Celsius) | 38 ℃ |
| Closure Life | 5000 cycles |
| Hook Density | Approximately 300 hooks per square inch (46 hooks/square cm) |
| Adhesive Type | Medium tack rubber-based pressure sensitive adhesive |
| Backing Material | Woven nylon with flexible J-shaped hooks |
| Liner Material | Polyethylene film |
| Units per Case | 1.0 roll |
| Smallest Saleable Unit | Roll |
| Adhesive Characteristics | Fast tack, good shear strength, bonds to plastics and multiple substrates |
| Recommended Use Temperature | Indoor applications up to 100°F (38°C) |
| Compatible Products | 3M™ Loop Fastener SJ3533N and other 3M™ Loop Fasteners |
| Application Methods | Manual or automatic application using various equipment |
| Warranty | Backed by 3M's quality assurance and industrial product standards |
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