Tuam Tshoj yog tus xa khoom loj, thiab cov menyuam cov khoom lag luam xa tawm tau nce. Yog li raws li kev xav tau ntawm kev ua lag luam, cov qauv rau xa cov menyuam cov khoom lag luam mus rau txawv teb chaws txawv.
Nyob rau tib lub sijhawm, rau qhov kev nyab xeeb thiab kev nyab xeeb ntawm cov khoom ua si, cov qauv sib txawv thiab cov tseev kom muaj tau tsim nyob hauv ntau lub tebchaws lossis cheeb tsam thoob ntiaj teb. Lub chaw kuaj mob yuav tsum tau muab cov kev pabcuam ntsuas uas ua tau raws li qhov xav tau ntawm cov neeg siv khoom lag luam.
Piv txwv, xa tawm mus rau Tebchaws Meskas: ASTM F963 yog tus qauv ntsuas rau cov khoom ua si hauv Tebchaws Meskas raws li kev txhawb nqa los ntawm National Bureau of standard of Ministry of Commerce. Tam sim no, qhov hloov tshiab tshaj plaws yog ASTM f963-17, thiab tau dhau los ua tus qauv yuav tsum tau ua.
Txawm hais tias tsuas yog DEHP xav tau hauv ASTM F963, phthalate kuj tseem raug kuaj raws li kev lag luam. Vim tias ntau dua ib qho phthalate tau tswj hwm hauv CPSIA thiab ca65, lossis CSPA.
Txhua yam khoom ua si yuav tsum tau kuaj los ntawm Hengxiang txhawm rau tshuaj xyuas qhov xwm txheej tshwj xeeb, yog li peb tuaj yeem ua qhov ntsuas kev lag luam zoo tshaj plaws thiab tshaj tawm.
Raws li kev tshawb fawb qhov xwm txheej ntawm kev ntsuas kev nyab xeeb saum toj no, EU feem ntau hloov kho cov teeb meem thev naus laus zis lossis hloov kho kom ncav cuag thiab lwm yam kev cai txhawm rau txhim kho kev pheej hmoo xa khoom ntawm menyuam cov khoom hauv Suav teb. Xyoo no, European Union tau tshaj tawm ntau qhov kev tshuaj xyuas kev nyab xeeb qhia txog kev pheej hmoo siab, xws li daim ntawv tshuaj ntsuam xyuas kev pheej hmoo nyab xeeb ntawm bisphenol A hauv menyuam cov khoom ua si thaum pib xyoo no, uas qhia qhov cuam tshuam ntawm cov tshuaj no rau menyuam yaus kev ua haujlwm ntawm cov endocrine. European Commission tau hloov kho cov menyuam cov khoom ua si tam sim ntawd txhawm rau teeb tsa kev txwv kev tsiv teb tsaws chaw ntawm bisphenol A ntawm 0.1 mg / L, uas tsuas yog kev yeem yeem siv los ntawm European cov khoom ua si kev lag luam, Nws tsis yog qhov yuav tsum tau ua; Thaum Lub Yim Hli 4, European Lub Chaw Haujlwm Saib Xyuas Kev Noj Qab Haus Huv thiab ib puag ncig kev txheeb xyuas kev pheej hmoo (Scher) tau tshaj tawm tsab ntawv tshaj tawm tias hexavalent chromium muaj peev xwm ua rau mob qog noj ntshav, thiab qhia tias kev txwv kev tsiv teb tsaws chaw ntawm hexavalent chromium hauv cov khoom ua si kev nyab xeeb cov lus qhia yuav tsum tau nce ntxiv.
Sijhawm Tshaj Tawm: Jul-13-2021