Best Activated Alumina Manufacturer and supplier ... Desiccants, Silica Desiccant, Silica Gel Desiccant, Alumina Desiccant, Clay Desiccant Activated Alumina-Actal is a versatile Aluminum Oxide based adsorbent which finds uses in drying of a number of gases and liquids. Manufactured under stringent quality control and rolled on latest machines, it has high adsorption capacity and crushing strength, which provides low pressure drop in the tower and efficient removal of vapour.