Professional-grade woven nylon loop fastener with high tack rubber adhesive, 3/4 inch x 50 yard rolls, 4 rolls per case, rated for 5000 closure cycles, ideal for industrial applications requiring reliable reclosable fastening solutions.
The 3M™ Loop Fastener SJ3531 is a professional-grade reclosable fastening solution designed for industrial and occupational applications requiring thousands of reliable opening and closing cycles. This woven nylon loop fastener features a high tack rubber-based pressure sensitive adhesive backing that delivers fast tack, excellent shear strength, and superior bonding capabilities to a wide variety of substrates including plastics like polyethylene and polypropylene. The fastener comes in a convenient 4 roll per case configuration, with each roll measuring 3/4 inch wide by 50 yards long, making it ideal for high-volume production environments and large-scale assembly operations.
When paired with 3M™ Hook Fasteners such as the SJ3530, this loop fastener system provides exceptional durability with preshrunk hook and loop components that maintain stability and flatness through thousands of engagement cycles. The 3 mil polyethylene film liner ensures consistent performance and protection. The fastener is specifically designed as an alternative to traditional closures including zippers, screws, snaps, and hooks, offering superior design flexibility and faster product assembly times. Its rubber-based adhesive system enables quick stick attachment with short dwell time, allowing for manual or automatic application using standard equipment.
The 3M™ Loop Fastener SJ3531 is best suited for indoor applications with a maximum operating temperature of 90°F (32°C) and delivers optimal performance in securing fabric to furniture cushions, point of purchase displays, signage, and general industrial applications. The 5000-cycle closure life rating demonstrates the product's reliability and cost-effectiveness for demanding industrial environments. This fastener combines smooth and clean exterior surfaces with excellent product performance, making it an ideal choice for manufacturers requiring professional-grade fastening solutions that eliminate the need for sewing, solvent activation, or bulk adhesive bonding.
Key Features
- Woven nylon loop construction provides design flexibility and fast product assembly
- High tack rubber-based pressure sensitive adhesive with fast tack and good shear strength
- Bonds to variety of substrates including plastics, polyethylene, and polypropylene
- 5000 closure cycle durability when paired with 3M Hook Fasteners
- Preshrunk hook and loop components maintain stability and flatness
- 3 mil polyethylene film liner for consistent performance
- Alternative to zippers, screws, snaps, and traditional closure methods
- Quick stick attachment with short dwell time enables manual or automatic application
- Smooth and clean exterior surfaces for professional appearance
- Best suited for indoor applications with 90°F maximum operating temperature
Technical Specifications
| Specification |
Value |
| Product Number | SJ3531 |
| Brand | 3M™ |
| Product Type | Loop Fastener |
| Product Form | Roll |
| 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 |
| 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 ℉ |
| Maximum Operating Temperature (Celsius) | 32 ℃ |
| Closure Life | 5000 cycles |
| Units per Case | 4 Rolls |
| Smallest Saleable Unit | Roll |
| Adhesive Type | High Tack Rubber-Based Pressure Sensitive Adhesive |
| Backing Material | Woven Nylon with Napped Loops |
| Liner Material | Polyethylene Film |
| UPC | 00021200656170 |
| 3M ID | 7010340889 |
| Industries | Construction, Electronics, Furniture, General Industrial, Medical, Military & Government, Specialty Vehicles, Transportation |
| Recommended Applications | Securing fabric to furniture cushions, Point of purchase display and signage, Indoor general industrial applications |
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