Cov paj ntaub tsis yog ntaub ntuag, tseem hu ua non-woven npuag, yog muaj cov khoom ntawm muaj cov khoom xaj lossis txawv. Nws yog cov cim tshiab ntawm kev tiv thaiv ib puag ncig cov ntaub ntawv. Nws muaj cov yam ntxwv ntawm ya raws-pov thawj, nqus tau, hloov tau, lub teeb yuag, tsis muaj kev sib txuas, txhawb nqa yooj yim, tsis muaj tshuaj lom thiab tsis mob, nplua nuj xim, tsis tshua muaj nqi, rov ua dua thiab lwm yam.
Ib txoj phuam ntaub los ntawm paj rwb xov paj. Nws yog lub npe dav dav ntawm txhua hom paj rwb xov. Nws feem ntau yog siv los ua kev zam, kev hnav khaub ncaws, ris tsho hauv qab thiab tsho. Nws qhov zoo yog yooj yim kom sov, mos thiab ze rau lub cev, hygroscopicity, zoo permeability. Nws qhov tsis zoo yog tias nws yooj yim kom ntsws thiab ntsws, thiab nws qhov tsos nws tsis zoo nkauj thiab zoo nkauj. Nws yuav tsum tau ironed ntau zaus thaum hnav. Siv: paj rwb zoo, luam ntawv thiab dyeing paj rwb, Songjiang paj rwb, Gaochang paj rwb, Qaum qaum Dynasty paj rwb.