The global alumina fiber market is dominated by international companies, with the top five manufacturers holding approximately 97% of the market share; key players include Unifrax, Denka, and 3M. Among Chinese enterprises, Shandong Dongheng Guoxian New Materials Co., Ltd. was the first to achieve industrial-scale production of alumina fibers using the sol-gel method, boasting an annual capacity of 1,000 tons of alumina short fibers and 100 tons of continuous alumina fibers. Other notable Chinese companies in the sector include Guozhuang New Materials, Luyang Energy-saving Materials, and Rongrong New Materials.
The global market for alumina fibers and continuous alumina fibers is projected to reach US$520 million by 2029, maintaining a steady growth trajectory with a compound annual growth rate (CAGR) of 8.2%.
