Kev Taw Qhia Rau Plastic Wrap

Polyvinyl Chloride Cling Zaj duab xisyog ib hom yas qhwv uas nrov siv los khaws zaub mov.
PVC cling zaj duab xis kuj yog polyvinyl chloride. Vim tias qhov kev xav tau ntawm cov txheej txheem tsim khoom, PVC cling zaj duab xis yuav ntxiv ntau cov plasticizers hauv cov txheej txheem tsim khoom, uas yog qhov peb feem ntau hais tias plasticizer. Yog tias PVC yas qhwv yog siv rau hauv lub xeev cua sov los yog nyob rau hauv kev sib cuag nrog cov zaub mov muaj roj, cov yas yas uas muaj nyob rau hauv PVC yas qhwv yog ib qho yooj yim los nag, nrog rau cov khoom noj rau hauv tib neeg lub cev, ua rau tej yam kev puas tsuaj rau tib neeg lub cev, thiab txawm cancer. Txawm li cas los xij, Polyvinyl Chloride Cling Film rau cov txiv hmab txiv ntoo tshiab thiab zaub khaws cia, thiab lwm yam, tsis muaj teeb meem.
PVC thiab PE cov ntaub ntawv ntawm yas qhwv qhov sib txawv kho
PE yas qhwv yog ib qho tseem ceeb feature: PE yas qhwv yog dav siv, PE yas qhwv tuaj yeem qhwv cov zaub mov muaj roj, tib lub sijhawm PE yas qhwv tuaj yeem ua kom sov hauv qhov cub microwave, qhov kub tsis tshaj 110 degrees Celsius. Tsis tas li ntawd, kom paub qhov txawv ntawm ntau hom yas qhwv cov lus qhia:
1. Saib ntawm pob tshab. PE cling zaj duab xis pob tshab yog qhov phem dua, PVC cling zaj duab xis pob tshab yog qhov zoo dua.
2. Rub kev sim. PE yas qhwv nro yog me me, PVC yas qhwv nro yog loj.
3. Kev sim tua hluav taws. PE qhwv yog yooj yim rau hlawv, yuav drip roj, tswm ciab tsw; PVC cling zaj duab xis hluav taws kub cov pa luam yeeb dub, tsim pungent tsw.
4, Polyvinyl Chloride Cling Zaj duab xis nws tus kheej-nplaum dua PE ntau zog.