E pa ana ki nga hua corundum ma me nga rahi matūriki mai i te 0-1mm, 1-3mm, 3-5mm, 5-8mm, 100 # - 0, 200 # - 0, me te 320 # - 0. Ko te nuinga o te corundum ma-kounga teitei e mahia ana e te awheawhe whakarewa ka haria ki te waahanga he awheawhe hanga kirikiri, katahi ka kuruhia e te awheawhe mahi kirikiri ma, katahi ka kuruhia e te awheawhe mahi kirikiri ma, katahi ka kuru ki te awheawhe kirikiri ma, katahi ka kuru ki te awheawhe mahi kirikiri hua me te rahi matūriki i roto i tetahi awhe. Ko te nuinga ka whakamahia hei whakamaarama ahua, whakamaarama amorphous, me nga tono kirikiri papa.
Te wa tuku: Maehe-22-2023