Vim li cas cov iav ntim khoom nrov?

Hauv kev lag luam ntim khoom hauv tsev, muaj ntau yam ntim cov ntaub ntawv ntawm ntau yam khoom, tshwj xeeb tshaj yog cov yas (cov qauv: hluavtaws cob, plasticizer, stabilizer, pigment) lub raj mis ntim occupies ib nrab ntawm cov lag luam qis hauv kev lag luam dej haus. Qhov no feem ntau yog vim tus nqi qis ntawm lub raj mis yas, kev thauj mus los yooj yim thiab rov ua dua tshiab. Qhov teeb meem ntawm bisphenol nyob rau hauv lub raj mis yas, uas tuaj yeem tshwm sim ntau zaus, kuj tau nyiam ntau thiab ntau dua los ntawm cov neeg siv khoom.

Cov neeg tau txais kev pab tam sim no tau them nyiaj ntau dua rau cov dej ntim hauv lub khob iav thaum xaiv cov dej haus, vim hais tias lub khob ntim ntim tsis yog tsuas yog qhov chaw siab tshaj plaws xwb, tab sis kuj nws cov khoom zoo heev tau dhau los ntawm kev soj ntsuam ntawm lub teb chaws kev soj ntsuam zoo, uas yog lub feem ntau ntseeg ntim khoom los ntawm cov neeg siv khoom.

Qee cov chaw tsim khoom lag luam pom cov chaw taws teeb tau tso tseg lub raj mis yas thiab hloov lawv nrog iav fwj. Txawm hais tias tus nqi ntawm cov khoom yuav nce thaum pib, thiab kev ua lag luam yuav muaj qee lub sijhawm ntawm kev hloov kho, nws tseem tsim nyog nyob rau lub sijhawm ntev. Yuav kom yeej lub lag luam rau lub sijhawm ntev, cov lag luam ib txwm yuav tsum hloov pauv. Tsuas yog los ntawm kev ua raws li cov neeg xav tau lawv thiaj li yeej lub khw.

Yog vim li cas vim li cas lub khob ntim tau nyiam los ntawm cov tuam txhab ntim khoom thiab maj mam yeej kev sib koom ua lag luam yog vim muaj cov txiaj ntsig hauv qab no:

1. Cov khoom siv iav muaj cov yam ntxwv ntawm cov hlau lead-dawb thiab tsis muaj kev puas tsuaj, thiab tseem muaj cov khoom thaiv zoo heev, uas tuaj yeem tiv thaiv oxidative yaig ntawm ntau cov roj gases ntawm cov khoom hauv lub raj mis, thiab tuaj yeem tiv thaiv cov volatilization ntawm volatile Cheebtsam. cov khoom hauv.

2. Cov fwj iav tuaj yeem siv tau thiab siv ntau zaus, txo cov nqi ntim khoom lag luam.

3. Cov pob tshab iav zoo nkauj tuaj yeem yooj yim refrac cov xim ntawm cov ntsiab lus ntawm lub raj mis. iav lub raj mis yog ib txwm ntim ntim ntim hauv kuv lub teb chaws, thiab iav kuj yog cov khoom ntim keeb kwm zoo heev. Nrog rau ntau yam ntawm cov khoom ntim dej nyab mus rau hauv kev ua lag luam, cov thawv iav tseem tuav txoj haujlwm tseem ceeb hauv kev ntim cov dej haus, uas yog cais tsis tau los ntawm nws cov yam ntxwv ntim uas tsis tuaj yeem hloov los ntawm lwm cov khoom ntim.

4. Cov iav fwj muaj kev nyab xeeb thiab huv si, tsis muaj tshuaj lom thiab tsis muaj mob, muaj kev tiv thaiv corrosion zoo heev thiab acid corrosion kuj, thiab muaj qhov tshwj xeeb ntim zoo rau kev lag luam cawv, kev lag luam khoom noj siv mis, kev lag luam roj noj, kev lag luam dej haus, thiab lwm yam, tshwj xeeb tshaj yog tsim rau acidic tshuaj, xws li zaub dej haus, ntim ntawm edible vinegar.