... Activated alumina , reactive alumina , activated aluminum oxide1.Application:>Activated alumina has much micro-paths, so the specific surface is large. It can be used as absorbent desiccant ... the attachment force is strong for water, oxide, acetic acid, alkali etc.>Activated alumina defluorinated just as the anion ... : zero as your total weight within 500g Activated Alumina for absorbent desiccant