3M™ Nextel™ Threads are the ideal choice for technical seams in extreme heat conditions.
Made of twisted 312 or 440 ceramic fibers, reinforced with rayon for improved sewability, they are designed for durable assemblies of heat-resistant fabrics, tapes, and sleeves.
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Main types:
Machine-sewable thread, resistant to 2500°F (1204°C). Ideal for sewing on Nextel™ 312 fabrics.
| Working temperature | Up to 1204 °C |
| Product composition | 312 |
| Denier | 1200 |
| Fiber Input Denier | 1200 |
| Fiber Type Input | ¼ Yarn |
| Thread Yield (Metric) | 1430,6 m/Kg |
| Breaking Strength (Metric) | 22,68 Kg per cm |
| Color | White |
Made from 440 fibers, it resists temperatures up to 1300°C. Ideal for sewing on fabrics, tapes, or braided sheaths. Nextel™ 440.
| Working temperature | Up to 1300 °C |
| Product Composition | 440 |
| Denier | 1400 |
| Fiber Input Denier | 1400 |
| Fiber Type Input | ¼ Yarn |
| Thread Yield (Metric) | 1451,45 m/Kg |
| Breaking Strength (Metric) | 22,226 Kg per cm |
| Color | Pink |
Both wires are electrically insulating, abrasion resistant and available in various sizes or heat-treated versions.
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