Ua pvc tus kab mob tua kab mob tso tawm cov tshuaj tsis zoo rau lub sijhawm?

PVC cov tub rog tiv thaiv tau yog feem ntau suav tias muaj kev nyab xeeb rau siv hauv feem ntau cov ntawv thov, tab sis zoo li cov khoom siv yas, lawv muaj peev xwm tso qee yam tshuaj tsis muaj kuab. Txawm hais tias muaj cov tshuaj tsis zoo raug muab tawm nyob rau lub sijhawm nyob ntawm ntau yam, suav nrog cov khoom muaj txiaj ntsig, muaj cov kev sib ntxiv, thiab cov kev mob ib puag ncig cov laug cam. Ntawm no yog qhov kev sib raug zoo ntawm cov kev txiav txim siab tseem ceeb:

Yas tshuab: Pvc feem ntau ua ntau dua yooj yim nrog ntxiv ntawm cov yas, uas tuaj yeem qee zaum ua kom dhau lub sijhawm, tshwj xeeb yog thaum muaj teeb meem UV. Qee cov neeg siv cov qub dua, xws li cov phthalates, tau cuam tshuam nrog kev txhawj xeeb txog kev noj qab haus huv, tab sis niaj hnub no PVC formulations Feem ntau siv cov kev nyab xeeb dua.

Cov Thawj Kav Tebchaws: Cov kev kho mob tua kab mob siv rau cov laug cam feem ntau suav nrog kev siv tshuaj lom neeg, xws li nyiaj ions lossis lwm yam tshuaj tiv thaiv antimicrobial. Cov neeg sawv cev no feem ntau yog ruaj khov, tab sis lawv qhov kev tso tawm ntev yuav yog nyob ntawm seb qhov chaw zoo li cas thiab cov qauv tshwj xeeb. Muaj qee kis, yog tias cov neeg sawv cev no ua kom tsis txhob, nws yuav cuam tshuam rau ib puag ncig lossis kev noj qab haus huv.

Kub thiab UV kis: Yog PVC cov laug cam raug mob kub lossis UV teeb (piv txwv li, los ntawm lub hnub ci ci ntsa iab raug), lawv yuav ua rau lub sijhawm. Qhov kev cuam tshuam no tuaj yeem tso cov tshuaj muaj teeb meem me me xws li dioxins, hydrochloric acid, lossis vocs organicchaw (vocs). Txawm li cas los xij, qhov no feem ntau tshwm sim tsuas yog huab cua, thiab ntau hom PVC cov khoom tau kho kom tiv thaiv kev raug.

Ntau cov khoom tshiab niaj hnub no yog tsim tawm raws li cov qauv kev nyab xeeb uas txwv kev tso tawm cov tshuaj lom neeg. Piv txwv li, hauv EU, kev ntsuam xyuas, kev tshuaj xyuas, kev tso cai, thiab txwv cov tshuaj) txwv kev siv cov khoom siv rau cov khoom siv yas. Hauv Asmeskas, cov neeg siv khoom lag luam kev nyab xeeb kev nyab xeeb (CPSC) kuj tswj hwm kev nyab xeeb ntawm cov ntaub ntawv siv hauv cov neeg siv khoom lag luam.

Feem ntau, thaum siv tau kom zoo thiab hauv cov chaw tsim nyog (deb ntawm huab cua sov lossis UV teeb yuav tsum tsis txhob tso cov tshuaj uas tsim cov khoom raug rau qhov tseem ceeb. Lawv tau tsim los nyob ruaj khov thiab muaj kev nyab xeeb rau lawv cov kev siv.

Yog tias PVC cov laug cam pov tseg, xws li los ntawm kev ua kom muaj zog, lawv tuaj yeem tso cov khoom ua phem zoo li cov tshuaj lom yeeb dawb. Recycling pvc kom zoo tuaj yeem pab txo cov kev txhawj xeeb no, raws li nws txo qhov xav tau cov khoom siv raw tshiab thiab tiv thaiv cov tshuaj muaj kuab phom tshiab thaum tshem tawm.

PVC cov tsiaj ntawv tiv thaiv muaj kev nyab xeeb rau feem ntau cov ntawv thov, tab sis, zoo li tag nrho cov plastics yog tias nthuav tawm huab cua phem (piv txwv li kub, lossis pov tseg tsis raug cai). Thaum siv raws li cov lus qhia tsim thiab pov tseg kom yog, lawv ua rau kev pheej hmoo tsawg kawg ntawm kev tso cov tshuaj uas muaj kev phom sij thaum lub sijhawm. Yog tias koj txhawj xeeb txog cov peev xwm tshuaj lom neeg muaj peev xwm, koj tuaj yeem nug lub khw muag khoom txog cov qauv tshwj xeeb thiab ntawv pov thawj kev nyab xeeb ntawm cov khoom koj xav tau.