Cov ntaub tsis-woven uas tsim nyog rau cov iav fiber polyester composite felt feem ntau yog ua los ntawm polyester (PET), nrog rau qhov hnyav feem ntau ntawm 30 txog 80g / ㎡. Qhov kev xaiv tshwj xeeb yog raws li qhov xav tau ntawm daim ntawv thov rau lub zog, tuab, lim dej thiab lwm yam kev ua tau zoo. Ob hom qauv, tiaj tus thiab mesh, tuaj yeem hloov kho.
