Cov huab cua zoo txhua yam npaj khoom thauj khoom thiab txoj kev taug kev vam meej

Huab cua zoo heev, txhua yam tau npaj tiav, cov khoom thauj tau thauj khoom, thiab txoj kev taug kev huaj vam. Xim av txhuas oxide yog cov khoom lag luam nrog cov khoom siv hluav taws xob tseem ceeb tseem ceeb. High-hardness Brown fused alumina ntawm peb lub tuam txhab feem ntau siv raws li abrasives thiab kuj tseem siv tau polishing thiab kev sib tsoo cov khoom zoo dua. Peb lixim av corundum rau abrasivesIb txwm yog ib qho khoom lag luam nrov.welpernne los tso lus.