Vim li cas cov khob ntawv thiaj tsis ntub?

Vim li cas cov khob ntawv thiaj tsis ntub dej? Qhov no yog ib lo lus nug uas ntau tus neeg xav paub txog. Cov khob ntawv yog ib hom thawv uas peb feem ntau siv hauv peb lub neej txhua hnub. Txawm tias lawv siv los tuav dej kub, dej txias lossis lwm yam dej haus, lawv yuav tsis xau. Yog li, vim li cas cov khob ntawv thiaj tsis ntub dej thaum muaj dej thiab dej haus? Qhov laj thawj rau qhov no yeej cuam tshuam nrog cov khoom siv raw thiab cov txheej txheem tsim cov khob ntawv.

Ua ntej, peb yuav tsum nkag siab txog cov khoom siv raw ntawm cov khob ntawv. Cov khoom siv raw ntawm cov khob ntawv feem ntau yog cov pulp, uas feem ntau yog ua los ntawm cov nroj tsuag fibers xws li ntoo pulp thiab xyoob pulp. Cov nroj tsuag fibers no raug ua tiav los ua cov pulp, uas tom qab ntawd ua rau hauv daim ntawv khob los ntawm ntau txoj kev ua.

Qhov thib ob, cov txheej txheem tsim cov khob ntawv yog ib qho tseem ceeb uas yuav tsum ua kom cov khob ntawv tsis ntub. Hauv cov txheej txheem tsim cov khob ntawv, feem ntau siv cov txheej txheem laminating los hloov cov ntawv hauv qab khob ntawv mus rau hauv daim ntawv coated. Cov zaj duab xis no feem ntau yog ib txheej ntawm PE (polyethylene) lossis PLA, uas tau sib txuas nrog qhov chaw ntawm daim ntawv hauv qab. Cov zaj duab xis PE tuaj yeem zam kev sib cuag ncaj qha ntawm cov kua thiab cov ntawv hauv qab, txhim kho kev sib khi thiab kev ua haujlwm tsis muaj dej ntawm lub khob ntawv. Cov khob ntawv tsim los ntawm kev siv PE coated ntawv yuav tsis ntub thaum ntim dej thiab dej haus, yog li ua kom ntseeg tau tias cov khob ntawv ua haujlwm zoo.

PAPERJOY yog lub Hoobkas tshwj xeeb hauv kev tsim cov ntawv PE coated, ntawv khob kiv cua thiab lwm yam cov khoom siv raw ntawm daim ntawv khobPeb siv cov thev naus laus zis tsim khoom siab heev thiab kev tswj hwm zoo nruj kom ntseeg tau tias peb cov khoom ua tau raws li cov qauv thoob ntiaj teb. Peb cov khoom muaj ntau yam, suav nrog cov khoom siv khob ntawv ntawm ntau yam kev qhia thiab kev siv los ua kom tau raws li cov kev xav tau sib txawv ntawm cov neeg siv khoom. Peb tuaj yeem muab cov qauv dawb rau koj kom ntseeg tau tias koj cov khob ntawv tsim tau zoo, thov koj xav tiv tauj peb.

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