ed in a strong alkali or strong acid solution, and is decomposed and dehydrated into alumina by heating.Application1. Used as the fire retardant in the membranes of the plastics industry, the enclosures of electric devices and household electric appliances, such as PVC, PP, PE, PS, ABS, PU,etc..2. Used as filling, covering agents and retardants for rubber, ceramics,enamels, fabrics, glass and fiber products.3. Used as colors and retardants in oil paint and coating material industry.4. Used as re