O le maualuga o le vevela calcined alumini oxide pauta ua calcined i se ituaiga tioata alpha-ituaiga alumina oloa i se vevela talafeagai;calcined e calcined α-ituaiga alumina o se mea mata, gaosia e le polo vili Alumina pauta lelei.O le maualuga o le vevela calcined alumini oxide paʻu o loʻo i ai se maualuga maualuga, malosi faʻainisinia sili ona lelei, maʻaʻaʻa, maualuga le tetee, ma le vevela.E mafai ona faʻaaogaina lautele i mea faʻaeletoroni, mea faʻapipiʻi, mea faʻafefete, mea faʻafefete, mea faʻalelei, ma isi pisinisi.