Alumina Fiber Blanket

Alumina Fiber Blanket


Alumina Fiber Blanket, produced from optimized aluminum oxide short fibers using a proprietary needle-punching process. This physical method ensures an organic-free composition, enhancing tensile strength through dual-sided needle-punching. With a temperature resistance up to 1500° C (1600° C maximum), our blanket excels in various atmospheres, maintaining resilience and flexibility without requiring special protection. Key features include outstanding thermal reflectivity, low heat storage, minimal linear expansion, and high tensile strength. It also resists wind erosion, excelling in high-temperature flexibility, heat shock, and chemical stability. Applications span kiln linings, high-temperature filtration, sealing gaskets, catalytic converter substrates, to sound insulation, versatile and robust.


Technical Features:

Code Classification Temperature
Long-term Service Temperature
Al2O3
F178
1600°C
1500°C
71-73
Chemical Composition (%) SiO2 27-29
Al2O3+SiO2 >99
Thermal Conductivity (W/(m·K)) 6OO°C 0.064
8OO°C 0.094
1OOO°C 0.169
13OO°C 0.217
24-Hour Heat Shrinkage (%) 13OO°C 0.4
15OO°C 0.9
Specific Heat (kJ/(kg·K)) 1O9O°C
Fiber Diameter (µm)
1.315
5-7