I-alumina emhlophe ehlanganisiwekanye ne-alumina ensundu exutshwe kahle yizinto ezimbili ezivame ukusetshenziswa njenge-abrasives. Abantu abaningi abazi umehluko oqondile phakathi kwalezi zinto ezimbili ngaphandle kombala. Manje ngizokuqondisa ukuthi uqonde.
Nakuba zombili iziqholo ziqukethe i-alumina, okuqukethwe kwe-alumina kwe-alumina emhlophe exutshwe kungaphezu kwama-99%, kanti okuqukethwe kwe-alumina kwe-alumina ensundu exutshwe kungaphezu kwama-95%.
I-alumina emhlophe ehlanganisiweikhiqizwa ngempuphu ye-alumina, kuyilapho i-alumina ensundu exutshwe iqukethe i-anthracite kanye ne-iron filings, kanye ne-bauxite ene-calcined. I-alumina emhlophe exutshwe enobulukhuni obuphezulu isetshenziswa abanye abasebenzisi abasezingeni eliphezulu, ngoba inamandla okusika angcono kanye nokupholisha okuhle, futhi isetshenziswa kakhulu ensimbini yekhabhoni, insimbi ye-alloy, insimbi eyenziwe ngobumba, ithusi eliqinile, njll. Sebenzisa i-alumina emhlophe exutshwe ngobumba ukuze ugaye kahle futhi ukhanye kakhulu,
I-alumina ensundu exutshwe isetshenziswa emakethe enkulu kakhulu, futhi isetshenziswa kakhulu ensimbini ecinyiwe, insimbi esheshayo, kanye nensimbi enekhabhoni ephezulu ukususa ama-burrs ebusweni, futhi umphumela wokugaya awukhanyi njengowe-alumina emhlophe exutshwe.