Thaum muas thiab siv ceramic tableware, thov xyuam xim rau cov ntsiab lus hauv qab no:
Ib txwm xaiv cov lag luam muaj npe nrov thaum yuav cov khoom siv ceramic. Tsis txhob yuav cov khoom lag luam qis los ntawm cov tuam txhab uas tsis muaj ntawv pov thawj zoo, txawm tias lawv pheej yig. Cov kev cai hauv tebchaws tau teev tseg tias thaum cov tais diav ntim cov khoom siv tau ntub hauv 4% acetic acid, cov hmoov lead leaching theem yuav tsum tsis pub tshaj 7 mg / L, thiab qib cadmium leaching yuav tsum tsis pub tshaj 0.5 mg / L. Cov khoom lag luam los ntawm cov tuam txhab muaj npe nrov feem ntau ua tau raws li cov cai no.
Thaum yuav khoom, ua tib zoo saib cov xim ntawm cov khoom siv rooj tog thiab kov lub npoo los xyuas seb cov phab ntsa sab hauv yog du.
Ua rau muaj ntxhiab tsw txawv txawv.
Tsis txhob yuav ceramic tableware nrog cov xim ci heev. Yuav kom ua tiav cov xim vibrant, manufacturers yuav ntxiv cov hlau hnyav ntxiv rau cov glaze.
Yog li ntawd, cov xim ci dua, qhov ntau dua cov ntsiab lus ntawm cov hlau hnyav dua li tus qauv.
Yuav cov tais diav nrog underglaze lossis hauv -glaze kho kom zoo nkauj, qhov twg cov khoom siv raw thiab kev ua haujlwm nruj tswj hwm.
