Yog non-woven polypropylene tshuaj lom

Nonwoven polypropylene (PP) yog cov khoom siv yas uas tau siv dav hauv ntau qhov chaw, xws li cov hnab ntim khoom siv rov siv tau, lub ntsej muag kho mob, thiab cov lim dej, vim nws lub cev zoo thiab tshuaj lom neeg. Thaum ntsuas nws cov tshuaj toxicity, nonwoven polypropylene feem ntau suav hais tias tsis muaj tshuaj lom thiab muaj kev nyab xeeb rau kev siv ntau yam khoom siv. Nov yog ob peb lub ntsiab lus tseem ceeb uas txhawb nqa nws txoj kev nyab xeeb:

Chemical stability: Polypropylene yog tshuaj lom neeg ruaj khov thiab tsis hnov ​​​​mob yooj yim nrog lwm yam tshuaj. Qhov kev ruaj ntseg no ua kom ntseeg tau tias nws tsis tso cov tshuaj phem nyob rau hauv ib txwm siv.

Biocompatibility: Vim muaj kev siv ntau ntawm polypropylene hauv kev siv tshuaj kho mob, xws li lub ntsej muag kho mob thiab cov ris tsho phais, nws tau pom zoo biocompatibility, uas yog, nws tuaj yeem tiv tauj tib neeg cov tawv nqaij.

FDA pom zoo: Ntau yam khoom siv polypropylene, suav nrog cov thawv ntim khoom noj thiab cov khoom ntim, tau txais kev pom zoo los ntawm US Food and Drug Administration (FDA) rau kev sib cuag zaub mov, uas ua pov thawj ntxiv nws txoj kev nyab xeeb hauv kev siv txhua hnub.

Kev cuam tshuam ib puag ncig: Txawm hais tias nonwoven polypropylene tsis biodegradable, nws tuaj yeem rov ua dua. Nws qhov kev cuam tshuam ib puag ncig feem ntau yog los ntawm nws txoj kev koom tes rau cov pov tseg yas ntau dua li nws cov tshuaj lom.
Siv kom zoo: Nonwoven polypropylene muaj kev nyab xeeb thaum siv raws li qhov xav tau (piv txwv li, khaub ncaws, hnab, khoom siv kho mob). Txawm li cas los xij, zoo li ntau cov yas, nws yuav tsum tsis txhob hlawv vim tias cov pa phem raug tso tawm thaum lub sij hawm combustion.
Nonwoven polypropylene yog siv dav hauv cov khoom siv thiab cov khoom siv kho mob vim nws tsis muaj tshuaj lom thiab muaj kev nyab xeeb zoo. Kev siv thoob plaws ntawm cov khoom no ntxiv ua pov thawj nws txoj kev nyab xeeb thiab kev ntseeg siab hauv ntau yam kev thov.