What is ceramic fiber material?
Ceramic fibres are small-dimension filament or thread composed of a ceramic material, usually alumina and silica, used in lightweight units for electrical, thermal, and sound insulation; From: Handbook of Technical Textiles (Second Edition), 2016.
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What is fiberfrax?

Fiberfrax® Refractory ceramic fibers are a family of high temperature fibers designed to be used in a variety of industrial and commercial applications.
What is ceramic wool insulation?
Ceramic fiber blankets are manufactured with pure alumina-silica, forming a continuous blanket, mechanically sewed with double needle in order to provide better integrity to the surface on both sides of the blanket, a greater resistance in kaolin types and a higher purity.
Is ceramic wool a good insulator?
Ceramic fiber products have high tensile strength characteristics that can withstand physical abuse and vibrations and can be used for most applications up to 2,300°F, particularly useful for insulation material.

What is ceramic fiber insulation made of?
Thermcraft’s ceramic fiber insulation products are formed using industry-leading refractory ceramic fibers made from alumina silicate. These are manufactured by melting varying ratios of pure aluminum (AL2O3) and silicon (SiO2) in an industrial furnace.
Can ceramic fiber board get wet?
It is best to keep ceramic fiber board dry. If it gets a little wet, I think firing the oven will dry it out and everything will be ok, but I would avoid repeated wet/dry cycles and would not expose it to rain.
Is ceramic fiber waterproof?
CCEWOOL water repellent ceramic fiber blanket is a kind of waterproof, light and soft ceramic fiber insulation blanket. It is produced with our self-developed inside double needle technology and solvent-based high-temperature nano-hydrophobic materials as the surface treatment agent. Its hydrophobicity can be above 99.