Vapor phase alumina has a wide range of application fields and a high degree of industry concentration.

Vapor-phase alumina refers to the nano-scale fluffy powder generated by using the sublimated gas of aluminum chloride (AlCl₃) to burn in a hydrogen-oxygen flame and undergo high-temperature hydrolysis. Vapor-phase alumina has a positively charged surface and features corrosion resistance, high hardness, and heat resistance. It has broad application prospects in the fields of powder coatings, inkjet printing paper coatings, lighting, new energy vehicles, catalysts, and aerospace.

Vapor phase alumina preparation methods include spray pyrolysis, chemical vapor deposition, plasma vapor synthesis, laser-induced vapor deposition, etc. The chemical vapor deposition method has the advantages of fast reaction speed, strong controllability, and good powder dispersion, and is the mainstream preparation method of vaporized alumina. The laser-induced vapor deposition method refers to the use of laser energy to vaporize raw materials and then aggregate them to produce vaporized alumina. The products produced by this method have a relatively uniform particle size distribution.

According to the “2023-2028 China Fumed Alumina Industry Market In-depth Research and Development Prospects Forecast Report released by the Industrial Research Center, In recent years, with the accelerated development of machinery manufacturing, new energy, electronic information and other industries, the alumina market demand has become increasingly strong and output has continued to grow. According to data from the National Bureau of Statistics, my country’s alumina production will reach 81.862 million tons in 2022, a year-on-year increase of 5.6%. Fumed alumina is a subdivided product of alumina. It has the advantages of high purity and large specific surface area, but its market share is low. In the future, with in-depth research and technological advancement, my country’s fumed alumina market space will further expand.

Vapor phase alumina has a wide range of applications. In the field of powder coatings, vaporized alumina can improve powder fluidity and avoid sticking; in the field of new energy vehicles, vaporized alumina can be used as power battery coating materials and dopants; in the field of catalysts, vaporized alumina can be used Hydrodeacidification, tail gas purification, petroleum refining catalyst. Benefiting from the growth in downstream demand, the fumed alumina market continues to expand.

There are only a small number of companies in the world with large-scale production capacity of vaporized alumina. Germany’s Evonik and American Cabot are the world’s leading vaporized alumina companies. my country’s fumed alumina industry is highly concentrated, with leading companies occupying a dominant position in the market. Hubei Huifu Nanomaterials Co., Ltd. and Nantong Jiangshan Pesticide Chemical Co., Ltd. are the main manufacturers of vaporized alumina in my country. In September 2022, Huifu Nano’s annual production of 20,000 tons of vapor-phase nanopowder material projects officially started. The project will build a 500-ton annual vapor-phase alumina production line.

Industry analysts said that fumed alumina has excellent performance and is widely used in many fields. With the gradual release of downstream demand, the development trend of the industry will be Keep improving. In recent years, Chinese companies have continued to increase their investment in research on the preparation methods of fumed alumina. It is expected that the output of fumed alumina in my country will continue to increase in the future.