Ceramic khob: Xaiv cov xim Underglaze ib yam nkaus

Ceramic khob dej muaj yeeb yuj yog qhov zoo nkauj heev, tab sis qhov tseeb muaj qhov phom sij loj zais hauv cov xim ci. Sab hauv phab ntsa ntawm ib qho pheej yig xim xim ceramic khob feem ntau yog coated nrog ib txheej ntawm glaze. Thaum lub khob glazed tau ntim nrog dej kub los yog dej haus uas muaj kua qaub thiab alkalinity, qee cov txhuas thiab lwm cov hlau hnyav hnyav hauv cov glaze tau yooj yim precipitated thiab yaj rau hauv cov kua. Lub sijhawm no, tib neeg haus cov kua nrog tshuaj lom neeg, thiab tib neeg lub cev yuav raug mob. Thaum siv cov khob ceramic, nws yog qhov zoo tshaj plaws los siv lub khob xim ntuj. Yog tias koj tsis tuaj yeem tiv taus qhov kev ntxias ntawm cov xim, koj tuaj yeem ncav cuag thiab kov cov xim nto. Yog hais tias qhov saum npoo yog du, nws txhais tau hais tias nws yog xim underglaze lossis underglaze xim, uas yog qhov zoo; Tseem yuav muaj qhov tshwm sim ntawm kev poob tawm, uas txhais tau hais tias nws yog xim ntawm glaze, thiab nws yog qhov zoo tshaj plaws tsis txhob yuav nws.