Ngwongwo: Emere ya site na ntụ ntụ aluminom oxide site na mgbaze ọkụ dị elu n'ime ọkụ arc eletrik.
Njirimara: Ọdịnaya Al203 na-adịkarị elu karịa 98%, nwere ike dị elu karịa corundum agba aja aja na ike siri ike karịa corundum agba aja aja, na-egosi ịrụ ọrụ nke ọma.
Ihe eji eme ihe: Ngwá ọrụ egweri nke e ji mee ya dị mma maka ịkwanye ígwè alloy na-emenyụ emenyụ, ígwè dị elu na-agba ọsọ, wdg. A pụkwara iji ntụ ntụ ọka dị mma mee ihe nkedo nkenke.
Oge nzipu: Eprel-22-2023