Cov yas thooj tshuab ua ke nrog cov yas thaav uas muaj yas xws li polyethylene thiab polypropylene. Cov khoom thaiv yas yog siv rau kev cia thiab kev thauj mus los ntawm ntau yam dej. Lawv muaj cov cwj pwm zoo rau khoom tshwj xeeb txaus ntshai. Nws tseem tsis tau yooj yim kom tawg, xeb dawb, hnyav, thiab lwm yam. Nws tseem zoo heev hauv cov roj ua hauj lwm thiab muaj zog corrosion resistant, thiab feem ntau yog siv rau ntim cov khoom txaus ntshai uas yuav tsum tau kev txuag hluav taws kub, noo noo, ua hauj. Cov yas thooj av kuj yog cov khoom tseem ceeb uas tibneeg niaj hnub kov txhua hnub. Ntxiv mus, nrog txoj kev loj hlob ntawm kev coj noj coj ua, cov hom thiab siv cov yas thauv yas hauv kev ua lag luam kuj yog ntau yam. Cov nram qab no yas txiag manufacturers qhia koj ib co kev paub yooj yim thiab kev xaiv ntawm cov yas thauv. .
Cov thoob yas yog tsim los ntawm ntau cov ntaub ntawv, thiab siv cov thoob yas sib txawv ntawm cov khoom sib txawv. Cov khoom vaj khoom tsev yog siv cov khoom ua kua, cov khoom ua kua hauv cov khoom noj, tshuaj, tshuaj tua kab, tshuaj thiab lwm yam lag luam. Cov khoom noj xws li txiv hmab txiv ntoo, soy sauce, soy roj, txiv laum huab xeeb, haus dej cawv, kua txiv hmab txiv ntoo, dej ntxhia dej thiab lwm yam dej haus, tshuaj tua kab thiab tshuaj tua kab kuj tseem siv tau. Nws yuav tsum tau sau tseg tias tam sim no, cov roj ntau yam ntawm lub khw muag khoom tau ntim hauv yas nruas. Qhov tseeb, yas nruas muaj teeb meem rau cov neeg. Cov roj yuav tau yog ib qho tseem ceeb rau txhua tsev neeg, thiab cov thoob yas yog cov khoom siv rau feem ntau ntawm cov khoom noj rau tib neeg lub neej.
Nws tuaj yeem pom los ntawm cov saum toj no uas xaiv cov yas drums, nws yog qhov yuav tsum tau them sai sai rau nws, thiab nws tsis yog arbitrary. Feem ntau, muaj cov kev xaiv nram qab no: tsis muaj teeb meem zoo li cas cov khoom siv raw, lub raj mis yas yuav tsum xub ua kom raws li cov kev txwv ntawm tsis toxicity thiab odorlessness, vim muaj cov cwj pwm. Qhov ntau hom raw khoom yuav tsum xaiv ntawm cov cuab yeej ntawm cov khoom raw; qhov ceev nruj ntawm lub khob thiab lub hau, thiab cov pa dej tsis pom kev. Sealability thiab dej paug permeability yog ob qho tseem ceeb kev qhia ntawm cov yas hwj, uas ua lub luag haujlwm tseem ceeb ntawm kev ruaj ntseg ntawm cov khoom ntim. Cov txheej txheem zoo ntawm cov thawv ntim yas yuav tsum tau soj ntsuam thiab txiav txim siab los ntawm cov qauv khoom tsim ntawm cov nroj tsuag. Qhov zoo tshaj ntawm qhov khoom ua lag luam.www.fhpails.com
