3M™ Nextel™ 312 Alumina–Boria–Silica Yarn
High-Temperature Ceramic Fiber Yarn for Thermal Protection
Nextel™ 312 Alumina–Boria–Silica Yarn is a high-performance continuous filament ceramic fiber designed for extreme temperature environments and advanced thermal protection systems.
Composed of alumina (Al₂O₃), boria (B₂O₃), and silica (SiO₂), this yarn delivers exceptional thermal stability, oxidation resistance, and mechanical strength.
It maintains performance in temperatures approaching 1200°C, making it ideal for aerospace insulation, industrial heat shielding, and high-temperature textile applications.
What is Nextel 312 Yarn?
Nextel 312 is a continuous ceramic filament yarn engineered for long-term thermal stability and durability in oxidizing environments. It retains flexibility, strength, and dimensional stability under repeated heating cycles.
Key Features
- Continuous operating temperature up to 1200°C
- Alumina–boria–silica ceramic composition
- Excellent oxidation and chemical resistance
- High tensile strength at elevated temperatures
- Superior thermal shock resistance
- Non-combustible and flame resistant
- Lightweight and flexible
Typical Applications
- Aerospace thermal protection systems
- Aircraft and turbine engine insulation
- Woven ceramic fabrics
- Braided sleeves and insulation ropes
- Industrial furnace insulation
- Heat shields and thermal barriers
- Ceramic matrix composite (CMC) reinforcement
Advantages
- Excellent durability in high-temperature environments
- Reliable insulation performance
- High strength retention at elevated temperatures
- Long service life
FAQs
Product Tags
Nextel 312 alumina boria silica yarn, ceramic fiber yarn, high-temperature insulation yarn, aerospace insulation textile, thermal shielding yarn