Muaj ntau hom ntawv khob, yog li dab tsi ntawm Paper Cup tshuab ntau lawm?

Qhov nruab nrab-ceevntawv khob tshuabyog ib hom ntawv ntim khoom ua los ntawm cov tshuaj ntoo pulp (dawb cardboard) los ntawm kev siv tshuab thiab gluing.Nws yog lub khob zoo li tus thiab tuaj yeem siv rau cov khoom noj khov thiab dej kub.Nrog rau cov yam ntxwv ntawm kev nyab xeeb, kev nyiam huv, lub teeb thiab yooj yim, nws yog ib qho khoom siv zoo tshaj plaws rau cov chaw pej xeem, tsev noj mov thiab tsev noj mov.Lub khob ntawv siab ceev tau muab faib ua ib sab PE coated ntawv khob thiab ob sab PE coated ntawv khob.Ib leeg-sab PE coated ntawv khob: Cov ntawv khob uas tsim nrog ib leeg-sab coated ntawv yog hu ua ib leeg-sided coated ntawv khob (paper khob thiab advertising ntawv khob nyob rau hauv lub domestic kev ua lag luam feem ntau yog ib leeg-sided coated ntawv khob).Nws daim ntawv ua tau zoo yog: sab ntawm cov dej hauv lub khob ntawv, nrog rau cov yeeb yaj kiab PE du.Ob sab PE coated ntawv khob: Cov khob ntawv ua los ntawm ob sab PE coated ntawv yog hu ua ob sab PE ntawv khob.Kev Ua Haujlwm: PE coated sab hauv thiab sab nraum lub khob ntawv.

ntawv khob tshuab

Yuav ua li cas xaiv lub khob ntawv ua los ntawm covntawv khob tshuab?

Ib txoj hauv kev zoo los xaiv cov khob ntawv:
(1) Saib: xaiv cov khob ntawv pov tseg, tsis txhob saib cov xim dawb ntawm daim ntawv khob, tsis txhob xav tias qhov whiter qhov kev nyiam huv ntau dua, qee lub khob ntawv khob tau ntxiv ntau cov tshuaj fluorescent whitening los ua cov khob. saib dawb.Thaum cov tshuaj phem no nkag mus rau tib neeg lub cev, lawv yuav dhau los ua cov carcinogens.Cov kws tshaj lij hais tias thaum tib neeg xaiv lub khob ntawv, lawv yuav tsum tig lub teeb nyob rau hauv lub teeb feem ntau.Yog tias lub khob ntawv hauv qab lub teeb fluorescent yog xiav, nws ua pov thawj tias tus neeg sawv cev fluorescent tshaj tus qauv, thiab cov neeg siv khoom yuav tsum siv ceev faj.
(2) Pinch: lub cev ntawm lub khob yog mos thiab tsis ruaj khov, ceev faj txog cov dej ntws.Tsis tas li ntawd, nws yog ib qho tsim nyog yuav tau xaiv ib lub khob ntawv nrog lub phab ntsa tuab thiab tawv.Lub khob ntawv nrog lub hardness tsawg ntawm lub khob lub cev yog mos heev.Thaum koj nchuav los yog haus dej, nws yuav raug deformed hnyav thaum koj tuaj tos, los yog khaws nws, uas yuav cuam tshuam rau kev siv.Cov kws tshaj lij tau taw qhia tias feem ntau cov khob ntawv zoo tuaj yeem tuav dej rau 72 teev yam tsis muaj qhov xau, thiab cov khob ntawv tsis zoo yuav tso dej rau ib nrab teev.Cov ntxhiab tsw: Cov xim phab ntsa zoo nkauj, ceev faj ntawm tus number case lom.Cov kws tshaj lij saib xyuas kev noj qab haus huv tau taw qhia tias yog cov khob ntawv ntim ua ke, yog tias lawv ntub los yog muaj kab mob, lawv yuav dhau los ua pwm, yog li cov khob ntawv ntub dej yuav tsum tsis txhob siv.Tsis tas li ntawd, qee lub khob ntawv yuav raug luam tawm nrog cov xim zoo nkauj thiab cov ntawv.Thaum lub khob ntawv ntim ua ke, lub khob ntawv sab nraum tus cwj mem yuav tsis cuam tshuam rau sab hauv ntawm lub khob ntawv qhwv ib ncig ntawm nws, thiab tus number case muaj benzene thiab toluene, uas ua rau muaj kev phom sij rau kev noj qab haus huv.Yuav daim ntawv khob nrog inkless lossis maj mam luam tawm txheej txheej.Lub hom phiaj: Sib txawv ntawm cov khob kub thiab txias, lawv "ua lawv lub luag haujlwm".Cov kws tshaj lij thaum kawg tau taw qhia tias cov khob ntawv uas peb feem ntau siv tau muab faib ua ob hom: khob dej txias thiab khob dej kub.

paper khob tshuab (1)


Post lub sij hawm: Nov-07-2022