Qhov sib txawv ntawm spandex coated yarn thiab spandex core-spun yarn yog raws li nram no:
(1) Cov xov paj tseem ceeb thiab cov xov paj sab nraud ntawm spandex core-spun yarn los ntawm ob lub ntsiab lus kom muaj kev cuam tshuam tag nrho cov yam ntxwv ntawm cov xov paj tseem ceeb thiab cov fiber ntau sab nraud. Cov xov paj tseem tsis tau nthuav tawm, thiab cov fiber ntau sab nraud tuaj yeem tsuas yog luv fiber ntau.
Cov xov paj coated tsis xav tau cov xov paj tseem ceeb kom npog tag nrho, thiab cov fiber ntau sab nraud tuaj yeem yog cov xov paj los yog ib qho xov paj, thiab raug mob hauv cov cuab yeej tshwj xeeb (hollow spindle spinning tshuab), nws lub hom phiaj yog kom tau txais kev zoo nkauj.
(2) Spandex cored yarn: nws yog spandex npog nrog luv fibers. Cov tub ntxhais yog spandex hlau, thiab cov tub ntxhais hlau feem ntau tsis raug thaum ncab.
Spandex coated yarn: nws yog ib qho elastic yarn tsim los ntawm wrapping spandex nrog tshuaj fiber ntau filament thiab tseem nrog spandex filament raws li cov tub ntxhais, npog spandex filament nrog non-elastic staple fiber los yog filament nyob rau hauv ib txoj kev kauv. Lub hauv paus yog nthuav tawm nyob rau hauv nruj nreem.
