Alumina na-arụ ọrụ nwere ọtụtụ ụzọ micro, yabụ elu a kapịrị ọnụ buru ibu. Enwere ike iji ya dị ka adsorbent, desiccant, defluorinating agent na catalyst carrier. Ọ bụkwa ụdị trace water desiccant na pole-molekụla adsorbent, dị ka adsorbed molekụla polarization, na-ekekọta ike dị ike maka mmiri, oxide, acetic acid, alkali wdg Alumina na-arụ ọrụ bụ nnukwu ike, obere abrasion, enweghị nro n'ime mmiri, enweghị mgbasa, enweghị ntụ ntụ, enweghị mgbawa.