α-Al2O3 abu ne mai ramuka, wanda galibi ana amfani da shi don tallafawa masu kara kuzari, masu shaye-shaye, kayan rabuwar iskar gas, da sauransu. α-Al2O3 shine mafi kwanciyar hankali na dukkan alumina kuma yawanci ana amfani da shi don tallafawa abubuwan da ke aiki da kara kuzari tare da babban rabo na aiki. Girman ramin mai ɗaukar kara kuzari na α-Al2O3 ya fi girma fiye da hanyar da ba ta da ƙwayoyin cuta, kuma rarrabawar iri ɗaya ce, don haka matsalar yaɗuwar ciki da ƙaramin girman rami ya haifar a cikin tsarin amsawar kara kuzari za a iya kawar da ita mafi kyau, kuma za a iya rage halayen gefen iskar oxygen mai zurfi a cikin tsarin don manufar zaɓi na iskar oxygen. Misali, mai kara kuzari na azurfa da ake amfani da shi don iskar oxygen na ethylene zuwa ethylene oxide yana amfani da α-Al2O3 a matsayin mai ɗaukar nauyi. Sau da yawa ana amfani da shi a cikin halayen kara kuzari tare da babban zafin jiki da sarrafa yaɗuwar waje.
Bayanan Samfura
Takamaiman Yanki
4-10 m²/g
Girman rami
0.02-0.05 g/cm³
Siffa
Zoben silinda, mai siffar silinda, mai siffar rasscated, da sauransu
