1. Cov qauv siv raudej yaskhob hauv Suav teb, kev tsim thiab muag cov khob dej yas yuav tsum tau ua raws li cov qauv kev coj ua, uas feem ntau suav nrog cov hauv qab no:
1. GB 4806.7-2016 "Food contact materials plastic products"
Cov qauv no qhia txog lub cev, tshuaj lom neeg thiab kev nyab xeeb kev ua tau zoo ntawm cov khoom noj khoom haus sib cuag cov khoom yas, suav nrog kev sib cais, tsis muaj zog, tsis ruaj khov, khawb thiab hnav, corrosion degree, thiab lwm yam.
2. QB/T 1333-2018 "Plastic Dej Khob"
Cov txheej txheem no qhia txog cov kev xav tau ntawm cov khoom siv, cov qauv, kev nyab xeeb, kev tiv thaiv ib puag ncig thiab kev tu cev ntawm cov khob dej yas, nrog rau cov kev xav tau ntawm lub khob yas, khob khob, khob hauv qab thiab lwm yam.
3. GB/T 5009.156-2016 "Kev txiav txim siab ntawm tag nrho kev tsiv teb tsaws hauv cov khoom yas rau kev siv khoom noj"
Cov qauv no yog qhov yuav tsum tau ua rau kev txiav txim siab ntawm tag nrho cov tsiv teb tsaws hauv cov khoom yas rau kev siv khoom noj, suav nrog cov kev cai ntawm cov qauv kuaj, cov tshuaj reagent, thiab cov txheej txheem kuaj.
2. Cov khoom siv ntawm lub khob dej yas
Cov khoom siv feem ntau siv rau cov khob dej yas muaj xws li polyethylene (PE), polypropylene (PP), polystyrene (PS) thiab polycarbonate (PC). Ntawm lawv, PE thiab PP muaj qhov ua tau zoo thiab ua haujlwm siab, thiab feem ntau yog siv los ua khob dej dawb thiab pob tshab; PS cov ntaub ntawv muaj hardness siab, zoo pob tshab, ci xim, thiab yog ib qho yooj yim mus ua hauj lwm rau hauv ntau yam duab, tab sis yog sib dua nyob rau hauv hnyav; Cov ntaub ntawv PC Nws muaj zog hardness thiab lub zog, zoo toughness thiab siab transparency, thiab tuaj yeem siv los ua cov khob dej zoo dua.
3. Kev nyab xeeb ntawm cov khob dej yas
Kev nyab xeeb ntawm cov khob dej yas feem ntau yog hais txog seb lawv puas tsim cov tshuaj phem rau tib neeg kev noj qab haus huv. Cov ntaub ntawv yas siv feem ntau ua tau raws li cov qauv kev noj qab haus huv thiab kev nyab xeeb, tab sis thaum raug cov khoom kub kub, cov khoom tsis zoo, xws li benzene thiab diphenol A, tej zaum yuav raug tso tawm. Cov neeg tau txais kev pabcuam raug qhia kom xaiv cov khoom uas ua raws li cov qauv hauv tebchaws thiab ceev faj tsis txhob siv khob dej hauv qhov chaw kub.
4. Kev tiv thaiv ib puag ncig ntawm cov khob dej yas Cov kev tiv thaiv ib puag ncig ntawm cov khob dej yas feem ntau yog hais txog seb lawv puas tuaj yeem siv thiab rov siv dua. Cov khob dej yas uas ua tau raws li cov qauv hauv tebchaws feem ntau tuaj yeem rov ua dua tshiab, tab sis yog tias lawv deformed, tawg, thiab lwm yam thaum siv, lawv cov txiaj ntsig rov ua dua yuav raug cuam tshuam. Cov neeg siv khoom raug qhia kom ntxuav cov khob dej kom sai sai tom qab siv thiab rov ua dua li qhov tsim nyog.
5. Cov lus xaus
Kev xaiv lub khob dej zoo nkauj thiab zoo ib puag ncig tsis tuaj yeem tiv thaiv kev noj qab haus huv ntawm cov neeg siv khoom, tab sis kuj ua lub luag haujlwm zoo hauv kev tiv thaiv ib puag ncig. Thaum muas lub khob dej yas, cov neeg siv khoom tuaj yeem saib xyuas cov khoom siv cov qauv lossis cov ntawv pov thawj muaj txiaj ntsig zoo, thiab siv qhov no los ua cov txheej txheem los xaiv cov khoom zoo.
Post lub sij hawm: Jun-03-2024