Ua Tus Kheej - nplaum PVC Pem Teb Vuas Muaj Formaldehyde?

1. Feem ntau, PVC yas nws tus kheej tsis yog - lom; Txawm li cas los xij, vinyl chloride monomer (VCM) siv los ua polymerize PVC yog carcinogenic rau tib neeg. Cov kev cai feem ntau faib cov resin nrog VCM cov ntsiab lus qis dua 1 ppm ua "qib huv" (tsis yog- lom). Yog li ntawd, kev txiav txim siab seb PVC puas muaj tshuaj lom nyob ntawm seb cov resin puas yog qib huv.
2. Kev ua PVC yuav tsum tau siv ntau yam khoom siv ntxiv, uas tuaj yeem ua rau muaj kuab lom lossis tsis yog - lom. Stabilizers yog ib qho kev txhawj xeeb tshwj xeeb: opaque ntau yam siv lead ua, cadmium, los yog barium ntsev yog tshuaj lom, thaum lwm tus tsis yog - lom.
3. PVC wallpaper yog dawb los ntawm cov khoom tsis zoo thiab tsis muaj kev pheej hmoo rau tib neeg kev noj qab haus huv. Nws yog tsim los siv eco- cov ntaub ntawv tus phooj ywg; Cov kev ntsuam xyuas sib piv tau txawm pom tias PVC wallpaper tuaj yeem muaj kev nyab xeeb dua li tus menyuam mos pacifiers. Yog li ntawd, siab - zoo PVC wallpaper tsis yog - lom, txawm tias cov neeg siv khoom yuav tsum xyuas kom meej tias lawv yuav cov khoom muaj ntawv pov thawj. Hloov pauv, qis- tus kheej zoo- nplaum PVC wallpaper tuaj yeem ua rau muaj kev phom sij ntau dua.
4. Tus kheej- nplaum PVC wallpaper muaj cov nplaum nplaum zoo ib yam li ob npaug - daim kab xev los yog daim ntawv lo. Feem ntau, hom ntawv ntsa no tsis tsim nyog rau ntev - siv tsev nyob lossis nruab nrab - mus rau - siab - kev kho dua tshiab. Cov khoom siv hauv paus feem ntau tsis zoo, thiab qhov tsis zoo ntawm cov phab ntsa saum npoo tuaj yeem cuam tshuam qhov pom kev zoo, tsim kom muaj qhov tsis sib xws. Tsis tas li ntawd, nws feem ntau tsis txaus siab rau qhov zoo nkauj thiab sophistication vim yog kev tsim khoom tsis zoo; nws feem ntau zoo dua rau kev siv los ntawm cov poj niam hluas, hluas, lossis menyuam yaus.
5. Tus kheej- nplaum PVC wallpaper tsis zoo tagnrho rau loj- nplai siv hauv tsev. Cov khoom siv hauv paus feem ntau yog qhov tsis zoo, thiab cov phab ntsa tsis sib xws tuaj yeem cuam tshuam los ntawm qhov kawg tshwm sim. Tsis tas li ntawd, kev teeb tsa tuaj yeem ua teeb meem rau cov uas tsis muaj kev paub dhau los, thiab cov txiaj ntsig yuav tsis zoo ib yam.