Dab tsi yog lub hnab polyester

Lub hnab polyester yog ua los ntawm siab - zoo zoo denier thiab loj tshuaj fiber ntau yarn, thiab polyester (polyester) fiber ntau koob - punched lim yog tsim nrog cov cuab yeej siv siab heev, uas tuaj yeem sib xyaw ntau hom fiber ntau sib npaug thiab quantitatively, thiab tom qab ntawd siv ntau qhov sib xyaw thiab daim npav los pab txhawb lub vev xaib fiber ntau. Layered composite thiab gradient transformation ntawm txawv fibers.