... , not pulverization and insoluble in water,strong adsorption.Application:Activated alumina is perfect desiccant or drying agent used for gas ... , combined low dew point compressed dryer and so on. Activated alumina is high effciency desiccant, defluorinating agent, catalyst.Advantages ... has grown to produce well over 10,000 tons of activated carbons of 45 different types, 30,000 tons of Polyaluminium ...