High temperature polycrystalline alumina fiber blanket is made from a refractory fiber composed of γ-alumina/mullite crystal phase, which is produced by the "sol-gel" method to prepare spinning precursors. The precursors are then processed into embryonic cotton through spinning technology, and finally made into a blanket-shaped product through calcination and other processes. It also has low thermal conductivity and can withstand temperatures up to 1600 ° C. It is resistant to chemical corrosion and suitable for harsh chemical environments.
Usually used in industries such as steelmaking, ceramic production, and aerospace, as well as applications such as furnace lining, insulation hood, and high-temperature pipeline insulation.