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: Feb-22-2023