Premium flame-resistant loop fastener with rubber-based adhesive for 5,000 cycle durability. 3/4 in x 50 yd rolls, ideal for aerospace, rail, and industrial applications requiring flame resistance and secure reclosable fastening.
The 3M™ Flame Resistant Loop Fastener SJ3518FR is a premium reclosable fastening solution designed for industrial and occupational applications requiring flame resistance. This fastener features a flame-resistant rubber-based pressure-sensitive adhesive backing that provides exceptional durability for thousands of openings and closures, making it ideal for applications where design flexibility and fast product assembly are critical. The product comes in rolls of 3/4 inch width by 50 yards length, packaged 4 rolls per case, delivering reliable performance in aerospace, rail, and general industrial environments.
Manufactured with a nylon woven loop backing covered with thousands of soft, pliable napped loops, this fastener offers secure and repeated closure capabilities without requiring sewing, solvent activation, or bulk adhesive bonding. The 3 mil polyethylene film liner with red 3M print ensures stability and flatness, while the preshrunk construction prevents shifting or deformation during use. The flame-resistant rubber-based adhesive is specifically formulated to bond effectively to a variety of substrates, including plastics, fabrics, and other materials commonly used in industrial applications.
This loop fastener is designed to be paired with the 3M™ Flame Resistant Hook Fastener SJ3519FR to create a complete two-part fastening system. With excellent temperature resistance up to 158°F (70°C) and a proven closure life of 5,000 cycles, this product serves as a superior alternative to traditional zippers, screws, snaps, and hooks. Ideal for securing fabric to furniture cushions, indoor general industrial applications, and specialized aerospace and rail industry uses, the SJ3518FR delivers the durability, reliability, and flame resistance demanded by today's most demanding industrial applications.
Key Features
- Flame-resistant rubber-based pressure-sensitive adhesive for critical safety applications
- Durable nylon woven loop backing with thousands of soft, pliable napped loops for 5,000 closure cycles
- Fast tack and excellent shear strength bonding to plastics, fabrics, and various substrates
- Temperature resistant up to 158°F (70°C) with preshrunk construction for stability and flatness
- Superior alternative to zippers, screws, snaps, and hooks with design flexibility and fast assembly
Technical Specifications
| Specification |
Value |
| Product Number | SJ3518FR |
| UPC Code | 00021200231971 |
| 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 |
| Total Tape Thickness without Liner (Imperial) | 125.984 mil |
| Total Tape Thickness without Liner (Metric) | 3.6 mm |
| 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 |
| Backing Material | Nylon |
| Adhesive Type | Synthetic Rubber - Flame Resistant |
| Maximum Operating Temperature (Fahrenheit) | 120°F |
| Maximum Operating Temperature (Celsius) | 49°C |
| Closure Life Cycles | 5000 |
| Units per Case | 4 Rolls |
| Smallest Saleable Unit | Roll |
| Brand | 3M™ |
| Liner Material | Polyethylene Film (Red 3M Print) |
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