Qhov sib txawv ntawm cov ntawv dawb kraft zoo tib yam thiab cov zaub mov qib dawb kraft ntawv

Qhov sib txawv ntawm cov ntawv dawb kraft zoo tib yam thiab cov zaub mov qib dawb kraft ntawv

Qhov sib txawv ntawm cov ntawv dawb kraft zoo tib yam thiab cov zaub mov qib ntawv dawb kraft yog nyob rau hauv nws cov khoom thiab daim ntawv thov ntau yam. Cov ntawv dawb kraft feem ntau yog siv los ntim qee yam khoom tsis yog khoom noj khoom haus, thaum zaub mov-qib dawb kraft ntawv tshwj xeeb yog tsim tshwj xeeb rau ntim khoom noj, nrog cov qauv zoo dua thiab cov kev xav tau.

Txheem 1: Dawb
Tsuas yog ib qho me me ntawm cov tshuaj bleach ntxiv rau cov zaub mov-qib kraft ntawv, uas tsis tshua muaj xim dawb thiab zoo li daj me ntsis. Ordinary qib dawb kraft ntawv nrog ntau cov tshuaj bleach ntxiv muaj ntau dua whiteness.

Cov ntaub ntawv nyoos ntawm cov zaub mov-qib dawb kraft ntawv yuav tsum tau huv thiab huv dua, thiab tsuas yog siv tau tom qab kev tshuaj ntsuam nruj thiab kev sim. Feem ntau hais lus, cov khoom siv raw khoom siv hauv kev tsim cov zaub mov-qib dawb kraft ntawv yog cov khoom siv cellulose uas ua tau raws li cov qauv kev nyab xeeb ntawm cov zaub mov, thiab tsis muaj cov khoom tsim kev puas tsuaj rau tib neeg lub cev, xws li fluorescent whitening agents, lead, mercury. , thiab azo dyes.

Sib txawv Standard 2: Ash Control
Khoom noj khoom haus-qib ntawv kraft ntawv muaj cov qauv tswj nruj, thiab txhua qhov ntsuas tau muab faib raws li cov khoom noj khoom haus qib. Yog li ntawd, cov hmoov tshauv ntawm cov zaub mov-qib dawb kraft ntawv yog tswj nyob rau theem qis heev, thaum cov hmoov tshauv ntawm cov ntawv dawb kraft yog qib siab dua los txo cov nqi.
Khoom noj khoom haus-qib dawb kraft ntawv yuav tsum muaj cov qauv kev tu cev ntau dua hauv cov txheej txheem tsim khoom, los ntawm kev tswj hwm nruj ntawm cov khoom siv raw, kev tu kab ntau lawm, ntim thiab khaws cia, kom ntseeg tau tias cov zaub mov yuav tsis muaj kab mob. Cov ntawv dawb dawb kraft tsis muaj cov qauv kev tu cev nruj thiab cov cai.

Distinguishing standard peb: test report
Raws li cov kev xav tau ntawm cov khoom ntim khoom noj hauv kuv lub tebchaws, cov zaub mov-qib dawb kraft ntawv yuav tsum xeem dhau QS, thaum qib tsis tuaj yeem.
Khoom noj khoom haus-qib dawb kraft ntawv muaj cov kev xav tau zoo dua thiab cov qauv kev nyiam huv, yog li nws muaj ntau yam kev siv. Thaum yuav cov khoom siv ntawv, peb yuav tsum xaiv cov ntaub ntawv tsim nyog raws li qhov xav tau tiag tiag los xyuas kom meej qhov kev noj qab haus huv thiab kev nyab xeeb ntawm cov khoom.

Distinguishing txheem plaub: nqe
Txawm hais tias tus nqi sib txawv tsis loj, nws kuj yog ib qho tseem ceeb siv tus nqi. Vim nws cov fibers thinner, sib dua thiab nyias tuab, cov zaub mov-qib dawb kraft ntawv tuaj yeem tsis tsuas yog tiv thaiv zoo thiab freshness ntawm cov zaub mov, tab sis kuj txo qhov hnyav ntawm ntim thiab cov nqi thauj mus los, uas muaj txiaj ntsig zoo rau kev tiv thaiv ib puag ncig. Yog li ntawd, tus nqi ntawm cov zaub mov qib kraft ntawv yog siab dua li cov ntawv qib kraft zoo tib yam.