1. Cov khoom xaiv: ua ntej qhov kev siv ntawm cov ntaub ntawv txuas ntxiv, xws li cov ntawv pov thawj los ntawm cov ntawv pov thawj los ntawm cov ntawv pov thawj hauv hav zoov thiab bio {{1} Raws plastics. Cov ntaub ntawv yuav tsum ua raws li GB / T 44837 {{4 4}}} Cov khoom lag luam ntsuab} Piv txwv li, tsis txhob siv cov khoom siv sib xyaw nrog PVC lossis lwm qhov nyuaj {{} {10} -}}}}}}}}}}
2. Luam Ntawv Txheej Txheem Txhim Kho Kom Zoo: Siv cov inks ib puag ncig (xws li dej tso tawm (voc) Ib txhij, txo cov nqi pov tseg los ntawm high- precision luam cov khoom siv thiab ua kom zoo rau cov txheej txheem. Tom qab luam ntawv, kev ntsuas lub cev (xws li kev kuaj qes (xws li cov ntawv sau cia) yuav tsum tau ua kom cov khoom siv tau yooj yim thaum lub sijhawm rho tawm, txo qis thaum lub sijhawm rov ua dua tshiab.
3. Sau npe cov qauv thiab ntawv pov thawj: kom pom cov cim kom meej (xws li cov khoom siv "rov ua dua tshiab) thiab cov koom haum rov qab los pab cov koomhaum thiab cov koom haum rov ua dua tshiab nrog kev txheeb xyuas thiab kev ua haujlwm. Cov ntawv sau ua ke rau GB / T 44837 {-}}}}}}}}}} Txoj kev ua tau zoo rau ib puag ncig (xws li cov hneev taw qhia ib puag ncig (xws li cov hneev taw carbon) thiab biodegradity). Tsis tas li ntawd, daim ntawv lo nplaum yuav tsum tau muab tshem tawm lossis dej-soluble kom tsis txhob muaj cov seem uas tuaj yeem cuam tshuam cov khoom noj zoo.
