Cov khoom siv ntawm PVC sealing sawb yog qhov tsawg, thiab qhov zoo sib txawv. Cia's qhia txog qhov tsis zoo ntawm PVC sealing sawb:
1. Cov yam ntxwv ntws tsis zoo thiab cov txheej txheem nqaim heev;
2. Qee cov tshuaj lom neeg ntxiv thiab cov yas yas ntawm PVC sealing strips yuav exude los yog gasify; Qee qhov yuav ua rau muaj mob qog noj ntshav; Incineration ntawm PVC pov tseg yuav tsim carcinogenic dioxins thiab ua paug rau huab cua. Nyem rau daim ntawv txuas mus saib cov ntaub ntawv ntxiv. Thaum cov xim PVC nplaum nplaum kub hnyiab, nws yuav tsim cov pa taws ntau thiab cov pa phem HCl; Ntxiv mus, feem ntau cov ntaub ntawv PVC muaj ntau yam teeb meem hnyav hlau xws li Pb (lead), CD (cadmium) (siv raws li cable stabilizer), uas yuav ua rau muaj kev phom sij rau tib neeg noj qab haus huv; Tom qab hlawv lossis faus, nws yuav ua rau muaj kuab paug rau cov av thiab dej.
3. Nws tsis tiv taus qhov kub thiab txias, nws yuav nyuaj thiab nkig rau lub caij ntuj no, thiab cov nyhuv sealing yuav ua rau tsis zoo; Kev kub siab nyob rau lub caij ntuj sov yuav soften thiab cov nyhuv sealing yuav ua phem. Qhov chaw ntawm daim ntawv thov: PVC sealing sawb feem ntau yog siv hauv tsheb, qhov rooj thiab qhov rais, txee, tub yees, thawv thiab lwm yam lag luam.