Lub hydrolysis ntawm resin-hom dag pob zeb nyob rau hauv pob zeb edging tshuab ib puag ncig alkaline yog irreversible. Yog tias pom qhov tshwm sim hydrolysis, thawj kauj ruam yog txiav tawm cov dej, qhib cov channel rau dej volatilization los ntawm slitting puag ncig hom ntug sib tsoo tshuab thiab qhib qhov, thiab tom qab ntawd siv qhov nqus los yog polishing thiab ziab kom qhuav. txoj kev tso cai rau ya raws evaporate.
Qhov thib ob hlau saw tshuab kauj ruam yog ncuav marble kua nplaum, thiab thaiv txiav tshuab thaum kawg polish thiab polish.
