Cov txheej txheem ntawm whitening ton hnab tom qab rov ua dua yog tam sim no tawm tswv yim kev tiv thaiv ib puag ncig thiab kev siv kom ruaj khov, thiab lub hnab ntim tsis muaj kev zam. Lub hnab ntim kuj tuaj yeem rov siv dua. Cov hnab ntim khoom yog feem ntau yog xim dawb, koj tuaj yeem ua cov hnab ntim ton dawb ua ntej siv thiab rov siv dua?
Txoj kev ntawm whitening ton hnab tom qab rov ua dua
1. grey recycled khoom dyed dawb, ntau los yog tsawg bagged los yog dawb los ntawm grey. Yog tias nws yog xim dub thiab dawb, nws tsuas tuaj yeem ua lub teeb grey. Nws yog ib qho tsim nyog yuav tsum tau ntxiv cov ntsiab lus ntawm ultramarine ntxiv kom cov khoom siv grey tshwm sim dawb huv, tsis yog dab tuag.
2. vim hais tias cov yas nws tus kheej muaj xim thiab pob tshab, piv nrog lub hnab ntim khoom ua los ntawm cov ntaub ntawv ntshiab, nws cov xim dawb txawv txawv, yog li ntawd, qhov sib ntxiv ntawm titanium dioxide tuaj yeem ua kom cov xim dawb.
3. txhim kho qhov opacity: ntxiv titanium dioxide kom cov yas opaque. Titanium dioxide tuaj yeem ua kom tawg lossis tawg lub teeb, yog tias txaus titanium dioxide ntxiv rau cov txheej txheem ntawm cov hlau tiaj tus, tag nrho cov teeb irradiating nws saum npoo yuav raug cuam tshuam, yog li ntawd cov hlau tiaj tiaj pom opaque thiab pom tseeb dawb.
Cov ntaub ntawv ntim khoom feem ntau yog hais txog lub khob ntim lub raj mis siv los ntim npias, dej qab zib, thiab lwm yam, uas tuaj yeem siv tau ntau zaus. Cov ntaub ntawv ntim khoom siv rov ua dua tshiab feem ntau yog hais txog cov ntaub ntawv ntim cov yas, uas tuaj yeem ua rau hauv cov ntim ntim rov qab siv dua tom qab kho lub cev. Tom qab kev kho tshuaj, nws tuaj yeem ua rau cov khoom ntim khoom siv rov ua dua tshiab. Txawm li cas los xij, cov yoov nyob rau hauv cov tshuaj pleev ntawm ob txoj kev no yog tias ton bagging tsuas yog txo cov pa phem rau ib puag ncig, thiab thaum qhov kawg pov tseg tiav lawm, nws kuj ntsib teeb meem ntawm kev ua qias tuaj ib puag ncig.