Dej luam ntawv rau cov txiv neej txoj hauv qab
Jun 04, 2019
Dej luam ntawv, lub ntsiab tivthaiv yog dej, thiab so yog cov khi, thickeners, colorants, emulsifiers, thiab cov zoo li. Cov ntaub ntawv tsim rau kev luam ntawv yeej zoo ib yam li cov nplaum luam, tsuas yog cov kua nplaum luam tawm tuaj yeem luam tawm ntawm cov ntaub maub, thaum cov luam dej tsuas tuaj yeem luam tawm ntawm lub teeb ntaub. Txoj kev luam tawm kuj "nteg" dej "slurry" rau ntawm daim ntaub ntawm lub ntsej muag ntawm qhov screen screen. Lub hauv paus ntsiab lus ntawm dej luam ua hauj lwm sib xws rau dyeing, tshwj tsis yog tias nws yog xim kom "dye" ib qhov chaw ntawm cov ntaub mus rau hauv ib lub paj txoj hauj lwm. Yog li no, txoj kev no tsis tuaj yeem siv rau cov ntaub ntawv sib sib zog nqus cov xim.
Qhov zoo ntawm cov luam dej yog cov ntsiab lus tseem ceeb: (1) Tus nqi ntawm raw cov ntaub ntawv yog qis dua li ntawm "kua nplaum". (2) Hauv kev luam ntawv, feem ntau nws tsis tas yuav luam tawm ntau zaus hauv tib seem xws li cov nplaum luam, uas ncaj qha los txiav txim siab qhov kev nce qib hauv ib hnub zuj zus. (3) Cov xim xim zoo tshaj qhov kua nplaum, tshwj xeeb tshaj yog cov paj rwb zoo tshaj plaws.
Yog tias koj xav tau no luam, pls hu rau peb dawb thiab koom nrog peb cov txiv neej lub ris tsho hauv qab tsim, thiab peb yuav kho koj tus txiv neej sab hauv qab uas koj xav tau.
