Bọọlụ alumina na-eguzogide Microcrystalline bụ igwe egweri dị elu, nke ejiri ihe dị elu ahọpụtara, teknụzụ na-akpụ akpụ dị elu, yana calcined n'ime oghere ọwara dị elu.Ngwaahịa a nwere njupụta dị elu, isi ike dị elu, obere iyi, ezigbo nkwụsi ike seismic na ezigbo nguzogide corrosion.Ọ bụ ihe kachasị mma maka igwe glazes, billet na ntụ ntụ ịnweta, a na-ejikwa ya dị ka ihe na-egweri maka seramiiki na igwe igwe ciment., mkpuchi mkpuchi, refractories, inorganic ịnweta ntụ ntụ na ụlọ ọrụ ndị ọzọ.