that contain aluminum oxide (Al₂O₃) at greater than 70 percent of the total materials and is produced by sol-gel method from aqueous spinning solutions. The water-soluble green fibers obtained as a precursor are crystallized by means of heat treatment. Polycrystalline wool is generally used at application temperatures greater than 1300 °C and in critical chemical and physical application conditions.

Kaowool

Kaowool is a type of high-temperature mineral wool

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