Activated Alumina Ball,activated alumina adsorbent,Activated Alumina Catalyst Carrier,Activated Alumina remove moisture Activated Alumina Ball:1-2mm, 3-5mm, 4-6mm, 5-7mm, 6- ... for absorption in producing hydrogen perixide (H2O2)KA404: is for catalyst carrierKA405: is for dehydrating and drying in air seperation etc. Catalyst Activated Alumina Catalyst