Kraft ntawv them nyiaj rau xim luam ntawv

Txhawm rau kom tau txais cov xim zoo dua qub hauv kraft ntawv luam ntawv, nws nyuaj dua li luam ntawv nrog SBS ntawv. Hauv tshwj xeeb, kev tsim cov xim raug rau ntawm cov ntawv kraft zoo tib yam yuav tsum tau saib xyuas ntau dua li luam tawm ntawm cov ntawv kraft daim hlau. Vim tias cov ntawv kraft zoo tib yam nws tus kheej yog xim av tsaus, cov nyhuv ntawm cov ntawv luam tawm txawv ntawm cov ntawv luam tawm ntawm cov ntawv bleached. Yog li ntawd, nws yog qhov zoo tshaj plaws los siv cov xim ci ntawm tus number case, siv ntau qhov muag pom xim, kom cov nyhuv luam ntawv zoo dua. Cov xim mos thiab lub teeb xim yog qhov nyuaj tshaj plaws kom ua tiav qhov xav tau ntawm tus number case ntom ntom, opacity thiab hnav tsis kam. Tsis tas li ntawd, yog tias tsim nyog, me ntsis dawb tuaj yeem muab ntxiv rau tus cwj mem ua ntej, uas yuav ua rau kom ua tiav qhov xav tau cov suab nrov lossis lub teeb xim, uas yog qhov zoo rau kev luam cov xim mos thiab cov xim lub teeb. Nrog rau kev loj hlob ntawm kev luam ntawv thev naus laus zis, qee cov tuam txhab lag luam txawm siv UV number case, uas txhim kho cov xim luam ntawv zoo. Tam sim no, yuav luag txhua tus number case manufacturers tau tsim inks rau thawj xim cardboard, thiab ntau tus number case manufacturers kuj tsim inks rau luam ntawv ntawm kraft ntawv. Yog li ntawd, ua ntej txiav txim siab txog txoj kev npaj zoo tshaj plaws rau kev ua haujlwm, peb yuav tsum sab laj nrog tus neeg tsim khoom ntawm tus number case, xaiv cov xim sib txawv raws li cov kev xav tau ntawm lub Hoobkas, xa mus rau tus number case chromatography muab los ntawm tus tsim number case thiab cov nyhuv luam ntawv ntawm tus number case rau txawv. cov ntaub ntawv, thiab thaum kawg txiav txim siab tus cwj mem zoo tshaj plaws los xaiv.