Samfurin abu ne mai fari, mai siffar zobe tare da kadarorin mara guba, mara wari, mara narkewa cikin ruwa da ethanol.The barbashi size ne uniform, da surface ne santsi, da inji ƙarfi ne high, da abty na danshi sha ne mai karfi da kuma ball ba a raba bayan sha ruwa.
Alumina don hydrogen peroxide yana da tashoshi da yawa na capillary da babban yanki, wanda za'a iya amfani dashi azaman adsorbent, desiccant da mai kara kuzari.A lokaci guda kuma, an ƙaddara shi bisa ga polarity na abubuwan da aka tallatawa.Yana da alaƙa mai ƙarfi don ruwa, oxides, acetic acid, alkali, da dai sauransu. Alumina da aka kunna shine nau'in desiccant mai zurfi na micro-water da kuma adsorbent don adsorbing polar molecules.