Activated Alulmina,Catalyst Carrier Type: KA401 402 403 404 405 Activated Alumina,Catalyst Carrier Activated alumina ball,to be used as absorbent,desiccant and catalyst carrier.It ... strong for water,oxide,acetic acid,alkali etc.Activated alumina defluorinates just as the anion exchange resin, but ... is much strong. The defluorination effect of the activated alumina is good. The capacity is stable. It ...