Puas yog PVC rooj tog muaj kev nyab xeeb?
Puas yog PVC rooj tog muaj kev nyab xeeb?

Video: Puas yog PVC rooj tog muaj kev nyab xeeb?

Video: Puas yog PVC rooj tog muaj kev nyab xeeb?
Video: pua yog tim tub aib pog ntawv by paj vuam thoj sonie thoj zoo siab yaj nkauj tawm tshiab 2022 2024, Kaum ib hlis
Anonim

PVC muaj cov tshuaj lom neeg txaus ntshai xws li phthalates, lead, cadmium, thiab / lossis organotins, uas tuaj yeem ua rau koj tus menyuam noj qab haus huv. Cov tshuaj lom no tuaj yeem tawm los yog evaporate rau saum huab cua thaum lub sijhawm, ua rau muaj kev phom sij rau menyuam yaus.

Ntxiv mus, PVC puas muaj kev nyab xeeb rau kov?

Txawm hais tias qhov tseeb tias vinyl muaj cov carcinogens yuav tsum yog vim li cas txaus los zam nws, PVC yog nce txaus ntshai thaum hlawv. Ntau lwm cov khoom siv hauv tsev tso tawm cov tshuaj phem thaum raug hlawv, yog li PVC yuav tsum tsis txhob pinpointed. Thaum kawg, kev tshawb fawb txog plasticizers (xws li phthalates) yeej tsis tau ua rau tib neeg.

Ib sab saum toj no, PVC puas muaj BPA? Polyvinyl chloride ( PVC ) yog cov khoom yas uas ua los ntawm yas yas chloride. Nws tau ua softer thiab yoog raws los ntawm kev ntxiv phthalates, thiab tuaj yeem ua tau muaj cim cov tshuaj xws li bisphenol A ( BPA ).

Ib yam li ntawd, nws tau nug, PVC puas tuaj yeem ua rau mob qog noj ntshav?

Cov PVC kev tsim khoom yog tshuaj lom heev, tso tawm dioxin thiab ua rau mob qog noj ntshav . Dioxin yog ib yam tshuaj lom neeg heev, tab sis nws muaj nyob hauv ib puag ncig tau poob qis hauv peb lub xyoo dhau los. Qhov no tau tshwm sim thaum PVC kev tsim khoom tau nce 300 feem pua.

Puas yog PVC nyab xeeb rau vaj?

PVC Yas PVC yog ib qho tawv yas thiab phthalates ntxiv kom nws softer thiab hloov tau. Nws kuj muaj qee qhov BPA. Ib daim ntawv ntawm PVC hu ua uPVC lossis nruj PVC tsis muaj phthalates thiab suav tias yog zaub mov nyab xeeb . Nws zoo tshaj rau ib puag ncig yog tias koj tsis siv li niaj zaus PVC hauv vaj.

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