※ tus neeg saib xyuas polishing yuav tsum tau muab faib ua ob hom, ib qho yog oily abrasive, ib qho yog dej-soluble abrasive.
① oily abrasive: tsis muaj nqi hauv cov dej, tsis muaj nqi, noj ntau npaum li cas, qee qhov oily abrasives muaj cov nyhuv npog khawb, tshem tsis tau khawb, ntxuav lub tsheb tom qab 2 khawb thiab khi tawm.
② dej-soluble abrasive: soluble hauv dej, tus nqi siab, kev txuag nyiaj, kev kho thiab muaj zog, kev tsim kho kev tso cai rau koj los xyuas seb qhov khawb qhov tseeb raug tshem tawm, qhov kev txhim kho tiag tiag thiab cov teeb meem ntawm cov xim.
Ceeb toom: Muaj ntau cov lag luam nyob rau hauv kev ua lag luam yog siv lawv cov kev siv cov dej txhuam raws li qhov tseeb, qhov tseeb, tsis muaj cov neeg ua dej nyob hauv dej, peb tham txog dej-soluble grinding, vim tias tus nqi siab dua dej txhuam dej, heev technical, tsis muaj dav siv, feem ntau cov lag luam tseem siv roj raws abrasive.