Superfine alumina waa walxo ceeriin ah oo muhiim u ah dhoobada shaqaynaysa. Superfine alumina budada xz-L20, cabbirka walxaha 100 nm, midab cad, 99% ee nuxurka adag. Waxaa lagu dari karaa noocyo kala duwan oo biyo-ku-saleysan, gudaha xabagta saliidda ku salaysan, dareeraha iyo caagagga heerka dheeriga ah ee 3% -5%, taas oo si weyn u wanaajin karta adkaanta walxaha ilaa 6-8H ama xitaa ka sareeya.
Hadhuudhka Q-A1203, oo leh dusha kiimikaad hooseeya iyo iska caabin heerkul sarreeya, ma aha alumina qallalan ee firfircoon, mana laha wax dhaqdhaqaaq kicin ah. Waxay leedahay iska caabin kulayl xoog leh, qaabaynta wanaagsan, wajiga crystalline xasilloon, qallafsanaanta sare iyo xasilloonida cabbir wanaagsan, waxaana si weyn loogu isticmaali karaa xoojinta iyo adkaynta caagadaha kala duwan, caag, ceramics, alaabta refractory iyo alaabta kale, gaar ahaan si loo hagaajiyo cufnaanta, dhammayn, daal kulul iyo qabow, adkaanta jabka, caabbinta gurguurta ee ceramics iyo caabbinta xirashada ee alaabta polymer.