Tsav los ntawm cov roj crude, tus nqi ntawm qee cov khoom siv polyester tau nce lub lim tiam dhau los, tab sis nyob rau hauv lub ntsej muag ntawm tus nqi nce, cov tuam txhab lag luam dav hlau tsis tau yuav nws mus rau qib siab.
Lub lim tiam dhau los, qhov nruab nrab hauv tsev polyester filament tsim thiab muag tau 40%, nqis 18% los ntawm lub lim tiam dhau los. Kev tsom xam ntawm polyester filament kev lag luam tseem nyob ruaj khov, kev ua lag luam tau txav mus rau sab, thiab cov neeg siv qis qis tau nce siab rau cov nqi siab. Lawv tsuas yog xav tau los yuav, tab sis polyester filament ntau lawm thiab muag tau tiaj tus.
Polyester filament nqi thiab ntau lawm thiab muag khoom qhia ib qho kev sib hloov. Polyester filament yarns tau sib sau ua ke nyob rau theem siab lub lim tiam no, ua rau muaj kev nug tsis zoo los ntawm cov neeg siv qis qis, tsis muaj kev lag luam yuav khoom, thiab kev poob qis ntawm tag nrho cov khoom lag luam thiab kev muag khoom.
Raws li lub lim tiam dhau los, POY lub Hoobkas cov khoom muag tau nyob ntawm 30.4 hnub, tib yam li lub sijhawm dhau los; FDY lub Hoobkas cov khoom muag yog nyob ntawm 24.8 hnub, +0.4% ntawm lub sijhawm dhau los; DTY cov khoom muag yog nyob ntawm 26.1 hnub, -4.04% ntawm lub sijhawm dhau los.
