Activated alumina manufactured by gmgbc are available in two different grades in spherical form of different sizes as per customer requirement. These are resistant to thermal shock and abrasionattrition. Having high absorption capacity, these activated alumina balls are best used for warm gases and air. The activated alumina balls do not shrink, swell, and soften, when immersed in water. Gmgbc uses quality ingredients in formulation of activated alumina balls ensuring compliance with international quality standards gradesad-101ad-202 applications 1. Air drying for dew point of less than minus 40 c2. Drying of feed air to n2 o2 cryogenic plant3. Purification of process stream by removing hf (lab plant)4. Chloride hcl from contaminated gas flow.