3M™ Nextel™ 312 Sewing Thread AT-21
High-Temperature Ceramic Fiber Thread for Industrial & Aerospace Applications
3M™ Nextel™ AT-21 Sewing Thread is a high-performance ceramic fiber sewing thread designed for applications requiring excellent heat resistance, thermal stability, and durability in extreme temperature environments.
Engineered from advanced alumina-based ceramic fibers, this sewing thread offers superior oxidation resistance, flame resistance, and long-term thermal durability compared to conventional threads such as fiberglass or aramid.
With continuous operating temperatures up to 1100°C – 1200°C, Nextel™ AT-21 sewing thread is ideal for stitching high-temperature fabrics, insulation materials, and aerospace textile components.
What Is Nextel™ AT-21 Sewing Thread?
Nextel™ AT-21 is a multi-filament twisted ceramic fiber sewing thread designed for assembling advanced thermal insulation products. It maintains strength and flexibility at elevated temperatures, ensuring reliable stitching performance in extreme heat conditions.
Key Features
- High-temperature ceramic fiber sewing thread
- Excellent thermal stability and flame resistance
- Superior oxidation and chemical resistance
- Maintains strength at elevated temperatures
- Ideal for stitching high-temperature textiles
- Non-combustible and heat resistant
- Suitable for industrial and aerospace applications
Applications
- Stitching ceramic fiber fabrics
- Sewing high-temperature insulation blankets
- Aerospace thermal protection systems
- Industrial furnace insulation covers
- Fire-resistant protective textiles
- High-temperature expansion joints
- Thermal insulation jackets and covers
FAQs
Product Tags
3M Nextel AT-21 sewing thread supplier, ceramic fiber sewing thread, high temperature sewing thread, Nextel thread for ceramic fabrics, aerospace insulation sewing thread, heat resistant stitching material