Ua ntej yuav cov khoom siv ntaub so ntswg, koj yuav tsum saib cov qauv kev siv, cov qauv kev nyiam huv thiab cov khoom siv ntau lawm. Peb tshuaj xyuas cov khoom siv ntaub so ntswg los ntawm cov hauv qab no:
1. Tus qauv siv twg zoo dua, GB lossis QB?
Muaj ob txoj kev siv Suav rau cov ntaub so ntswg, pib nrog GB thiab QB.
GB yog raws li lub ntsiab lus ntawm Tuam Tshoj lub teb chaws tus qauv. Cov qauv hauv tebchaws tau muab faib ua cov qauv tsim nyog thiab cov qauv pom zoo. Q yog ua raws li cov qauv kev lag luam, feem ntau yog rau kev tswj hwm sab hauv, kev tsim khoom thiab kev ua haujlwm, thiab kho los ntawm kev lag luam.
Feem ntau hais lus, cov qauv kev lag luam yuav tsis qis dua lub teb chaws tus qauv, yog li tsis muaj lus hais tias cov qauv kev lag luam zoo dua lossis cov qauv hauv teb chaws zoo dua, ob qho tib si ua tau raws li qhov yuav tsum tau ua.
2. Cov qauv siv rau cov ntaub so ntswg
Muaj ob hom ntawv uas peb tau ntsib nrog txhua hnub, uas yog daim ntaub ntawm lub ntsej muag thiab daim ntawv tso quav tso quav
Cov qauv siv rau cov ntaub so ntswg: GB / T20808-2022, tag nrho cov cheeb tsam suav tsawg dua 200CFU / g
Cov qauv huv huv: GB15979, uas yog tus qauv yuav tsum tau ua
Cov khoom siv raw: virgin wood pulp, virgin non-wood pulp, nkauj xwb xyoob pulp
Siv: so qhov ncauj, so ntsej muag, thiab lwm yam.
Cov qauv siv rau cov ntawv tso quav tso quav: GB20810-2018, tag nrho cov cheeb tsam suav tsawg dua 600CFU / g
Tsis muaj tus qauv siv tu cev. Cov kev cai rau daim ntawv tso quav tsuas yog rau cov ntsiab lus microbial ntawm cov khoom ntawv nws tus kheej, thiab tsis nruj npaum li cov ntaub so ntswg.
Cov khoom siv raw: nkauj xwb pulp, recycled pulp, nkauj xwb xyoob pulp
Siv: daim ntawv tso quav tso quav, so cov khoom ntiag tug
3. Yuav txiav txim siab li cas ntawm cov khoom siv raw?
✅Virgin ntoo pulp/virgin xyoob pulp> nkauj xwb pulp> ntshiab ntoo pulp> sib xyaw pulp
Virgin wood pulp / nkauj xwb xyoob pulp: yog hais txog lub ntuj tsim tag nrho, uas yog qhov zoo tshaj plaws.
Virgin pulp : yog hais txog cov pulp ua los ntawm cov nroj tsuag ntuj fibers, tab sis tsis tas los ntawm ntoo. Nws feem ntau yog nyom pulp los yog sib tov ntawm nyom pulp thiab ntoo pulp.
Pure wood pulp: txhais tau tias cov khoom siv raw khoom yog 100% los ntawm ntoo. Rau cov ntawv tso quav tso quav, cov ntaub ntoo ntshiab kuj tseem tuaj yeem siv dua tshiab.
Mixed pulp: Lub npe tsis muaj lo lus "virgin", uas txhais tau hais tias siv pulp siv dua. Nws feem ntau yog ua los ntawm cov khoom siv rov ua dua tshiab thiab ib feem ntawm cov ntawv nkauj nkauj xwb.
Thaum xaiv cov khoom siv hauv chav dej, sim xaiv cov khoom ua los ntawm cov ntoo nkauj xwb / nkauj xwb xyoob pulp, uas yog siv tau yooj yim dua, nyiam ib puag ncig thiab huv. Lub ntuj xyoob pulp khoom tsim los ntawm Yashi Ntawv yog qhov kev xaiv zoo tshaj plaws rau cov neeg siv khoom.
Post lub sij hawm: Dec-03-2024
