Corundum kristal dị otu nwere ọmarịcha ọnụ ọnụ ụzọ dị iche iche, isi ike dị elu, uru siri ike dị elu, ike egweri siri ike, obere ọkụ na-egweri, ndụ igbutu ogologo ndụ, ma nwee ike hazie nchara siri ike na nke siri ike, dị ka igwe anaghị agba nchara, nnukwu nchara vanadium dị elu. wdg Ọ dịkwa mma karịsịa maka egweri nke oruru na mfe ọkụ workpieces na nnukwu ndepụta egweri.
Microcrystalline corundum nwere obere kristal nha, ike dị elu na ezigbo nkọ nke onwe, nke enwere ike iji mee ihe na-egweri miri emi.Na usoro nke egweri, microcrystalline corundum abrasive na-enye ọnọdụ micro-na-agbaji ma nwee ihe onwunwe dị mma nke onwe ya, n'ihi ya, ọ dị mma maka ibu arọ na-akpụ akpụ na-egweri na nnukwu omimi omimi.
Oge nzipu: Mar-01-2023