Sanya yumbu mai juriya wanda galibi ya ƙunshi aƙalla 90% Al2O3 sune aka fi amfani da su a duniya a yau.
Our kayayyakin da aka sanya daga tsananin zaba alumina foda tare da uniform barbashi masu girma dabam da kuma low CaO content.Wear resistant yumbu za a iya sanya ta kowa bushe latsa ko isostatic latsa tsari sa'an nan sintering su a high zafin jiki a cikin kiln.Su ne kyawawa kayan rufi don high lalacewa kayan aiki saboda daidai girma, high yawa, high alumina abun ciki, mai kyau flatness kuma barga quality.