Xim muaj yeeb tshuaj yog cov uas tuaj yeem zas khoom. Dyes yog cov yeeb yaj kiab uas tuaj yeem ua cov xim fiber ntau thiab lwm yam khoom siv, thiab qhov sib txawv yog tias cov xim tuaj yeem ploj mus rau hauv ib puag ncig ib puag ncig tom qab xim cov khoom, thaum dyes tsis yooj yim kom poob thiab hloov xim.
Cov xim tuaj yeem ua tsis tau ntawm qhov nruab nrab, thiab cov xim tso rau hauv yaj tau ploj mus hauv nruab nrab (xws li: dej, kuab tshuaj, roj, yas lossis siab molecular phaus, thiab lwm yam).
Cov xim muaj nyob rau hauv daim ntawv ntawm qhov me me hauv nruab nrab, thiab cov zas xim yog nyob rau hauv daim ntawv ntawm lwg me me. Ntau qhov chaw muaj kev tiv thaiv kev puas tsuaj, xws li cua, daus, hnub ci, nag, tshav kub, kev sib txhuam, xeb, tshuaj lom neeg, thiab lwm yam, uas muaj cov teeb meem corrosive.
Pigments feem ntau muaj cov khoom nram qab no:
1. Xim. Cov xim muaj xim yog cov xim uas xaiv tau nqus thiab tawg ntawm lub teeb pom kev, thiab tuaj yeem nthuav daj, liab, xiav, ntsuab thiab lwm yam xim raws li lub teeb pom kev zoo.
2. Xim fais fab. Lub peev xwm ntawm cov xim pleev xim rau kom nqus teeb meem. Nws tuaj yeem raug qhia ua feem pua tus txheeb ze ntawm lub zog tinting ntawm cov qauv ntsuas cov xim.
3.Cov fais fab tuag. Lub peev xwm los npog cov xim ntawm cov txheej npoo hauv cov zaj yeeb yaj kiab-cov tshuaj yeeb tshuaj. Nws feem ntau yog qhia los ntawm cov lej ntawm cov xim muaj nyob hauv xim pleev xim npog thaj tsam ntawm 1 square meter.
4. lub teeb kuj. Cov xim muaj khaws nws cov xim kev ua tau zoo hauv qab lub teeb. Feem ntau hais lus, qib yim-qib yog siv, thiab yim-theem yog qhov zoo tshaj plaws.
5. Huab cua tiv taus. Lub peev xwm ntawm cov xim muaj peev xwm tswj nws cov kev ua tau zoo nyob rau hauv qee yam ntuj los yog huab cua hloov pauv. Feem ntau hais lus, ib qib tsib-theem siv, thiab tsib-theem yog qhov zoo tshaj plaws.
6. Tsis tshua muaj teeb meem. Feem ntau yog hais txog kev ya raws, feem ntau stipulated tsis pub tshaj 1%.
7. Kev nqus roj. Yog hais txog cov naj npawb ntawm cov roj lim roj roj uas yuav tsum tau muaj 100 gram ntawm cov xim xim los txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau. Cov roj nqus dej zoo dua. Cov roj nqus dej muaj feem xyuam nrog thaj chaw tshwj xeeb thiab cov qauv ntawm cov xim tso tawm.
