High-zvidhinha zvealuminium zvinoiswa muchikamu nealumina kuita: Giredhi III (Al₂O₃: 48–65%), Grade II (Al₂O₃: 65–75%), Grade I (Al₂O₃: 75–80%), uye Special Giredhi (Al₂O₃ ₃ yakakura kupfuura %).
Zvinoiswa murudzi nerudzi rwehovhoni dzinoshandiswa mu: spalling-zvidhinha zvisingasviki zvakakwirira{1}}alumina zvidhinha zvekukanya simende, zvidhinha zvishoma-zvinokambaira zvakakwirira{3}}alumina zvekupisa zvitofu zvinopisa, -zvinosungirirwa zvakakwirira-zvidhinha zvealumina zve rotary ramcens, rotary yelithium kugadzirwa kweoxide).
Zvichienderana nechimiro nekukura, zvinosanganisira banga{{0}zvakaumbwa,{1}zvakaumbwa{{1}nedemo,{2}zvakaita zvidhinha,{3}zvakare zvidhinha zvealumina skew nezvidhinha.
Mapoka anosanganisirawo zvidhinha zvakajairika, zvidhinha zvakaumbwa, uye zvidhinha zvine maumbirwo chaiwo.