Vim muaj qhov tshwm sim ntawm qhov xwm txheej ceev, qhov kev thov rau lub npog qhov ncauj tau nce vim yog cov khoom siv nce ntxiv. Ntawm lawv, kev kho mob lub qhov ncauj qhov ntswg thiab N95 qhov ncauj qhov ntswg feem ntau txais yuav ntau txheej txheej, hu ua SMS qauv: sab hauv thiab sab nraud yog txheej spunbond (S); qhov nruab nrab yog meltblown txheej (M), feem ntau muab faib ua ib txheej lossis multilayer. Lub npog qhov ncauj tiaj yog feem ntau PP spunbond + meltblown + PP spunbond, thiab daim npog ntsej muag khob peb txheej feem ntau PET polyester koob punched paj rwb + meltblown + koob punched paj rwb lossis PP spunbond Cov.
Nws tuaj yeem pom tias cov ntaub tsis-cov ntaub uas yuav tsum tau siv rau cov qhov ncauj qhov ntswg yog feem ntau spunbonded thiab meltblown, ntawm cov uas spunbonded tsis-cov ntaub siv tau siv cov fiber ntau txoj kab uas hla ntawm txog 20 microns. Cov txheej txheem ntawm meltblown non-woven npuag yog kom pub polymer-yaj extrusion-fiber tsim-fiber cua txias-net tsim-txhawb nqa rau hauv daim ntaub. Cov npluag yaj lub ntsej muag tuaj yeem ncav cuag 1-5 microns hauv qhov taub, thiab feem ntau ua los ntawm polypropylene nrog cov roj ua cov rog. Cov roj nplua hluav taws xob zoo tshaj plaws nrog cov xim tshwj xeeb capillary nce tus naj npawb thiab thaj chaw ntawm cov fibers hauv ib cheeb tsam, yog li ua cov ntaub npuag yaj nrog zoo lim, tiv thaiv, tiv thaiv thermal thiab cov roj nqus, daim ntaub meltblown tuaj yeem hu ua" plawv" ntawm kev kho mob qhov ncauj qhov ntswg thiab N95 qhov ncauj qhov ntswg. Txawm li cas los xij, txoj kev tsim tawm ntawm meltblown non-woven fabrics yog qhov tsawg.
