Professional woven nylon loop fastener with high tack rubber adhesive for durable reclosable fastening. Ideal for industrial applications requiring thousands of reliable openings and closures.
The 3M™ Loop Fastener SJ3531 is a professional-grade reclosable fastening solution designed for industrial and occupational applications. This woven nylon loop fastener features a high tack rubber-based pressure sensitive adhesive that provides fast tack, good shear strength, and bonds effectively to a variety of substrates including plastics like polyethylene and polypropylene. When paired with 3M™ Hook Fasteners, this fastener delivers exceptional durability for thousands of openings and closures, making it an ideal alternative to traditional zippers, screws, snaps, and other fastening methods.
This loop fastener comes with a 3 mil (0.08mm) polyethylene film liner and features thousands of soft, pliable napped loops that are preshrunk to ensure stability and flatness. The product is specifically engineered for indoor general industrial applications and is commonly paired with the 3M™ Hook Fastener SJ3530. The high tack rubber adhesive system enables quick stick with short dwell time, allowing for rapid assembly and attachment without requiring sewing, solvent activation, or other complex bonding methods.
The SJ3531 is supplied in a convenient roll format with 2 rolls per case, each measuring 2 inches wide by 50 yards long. With a maximum operating temperature of 90°F (32°C) and an engaged thickness of 0.15 inches (3.8mm), this fastener is best suited for securing fabric to furniture cushions, point of purchase displays, signage, and various indoor industrial applications. The product's design flexibility and fast product assembly capabilities make it an excellent choice for manufacturers and industrial users seeking reliable, reusable fastening solutions.
Key Features
- Woven nylon loop fastener with thousands of soft, pliable napped loops for durable engagement
- High tack rubber-based pressure sensitive adhesive with fast tack and good shear strength
- Bonds to variety of substrates including plastics, polyethylene, and polypropylene
- Preshrunk design ensures stability and flatness with excellent design flexibility
- Provides durability for 5000+ opening and closing cycles when paired with 3M Hook Fasteners
- Fast product assembly with quick stick and short dwell time
- Alternative solution to zippers, screws, snaps, and traditional fastening methods
- Ideal for securing fabric to furniture cushions and point of purchase displays
- Best suited for indoor general industrial applications
- Easy manual or automatic application without sewing or solvent activation
Technical Specifications
| Specification |
Value |
| Product Number | SJ3531 |
| 3M ID | 7010340890 |
| UPC Code | 00021200656217 |
| Product Type | Loop Fastener |
| 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 | 5000 cycles |
| Units per Case | 2 rolls |
| Smallest Saleable Unit | Roll |
| Adhesive Type | High tack rubber-based pressure sensitive adhesive |
| Material Composition | Woven nylon with polyethylene film liner |
| Compatible Hook Fastener | 3M Hook Fastener SJ3530 |
| Application Environment | Indoor use only |
| Industries Suitable For | Construction, Electronics, Furniture, General Industrial, Medical, Military & Government, Specialty Vehicles, Transportation |
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