Nsalu zapanyumba za PET zopanda nsalu ndi mtundu wansalu wosalukidwa, wopangidwa kuchokera ku polyester. Amapangidwa ndi kupota ndi kutentha kugudubuza ulusi wambiri wa polyester.
1. Nsalu zopanda nsalu za PET ndi mtundu wa nsalu zopanda madzi zopanda nsalu, ndipo ntchito yake yochotsa madzi imasintha ndi kusintha kwa kulemera kwake. Kulemera kwake kumapangitsa kuti madzi asalowe. Ngati pali madontho amadzi pamwamba pa nsalu zosalukidwa, madontho amadzi amatsika mwachindunji.
2. Kukana kutentha kwakukulu. Chifukwa malo osungunuka a polyester ndi pafupifupi 260 ° C, amatha kusunga kukhazikika kwa nsalu zosalukidwa m'malo osamva kutentha. Komabe, kukana kwenikweni kwa kutentha kwakukulu kumakhudzidwanso ndi zinthu monga makulidwe, kachulukidwe, komanso mtundu wazinthu za nsalu za PET zosalukidwa. Amagwiritsidwa ntchito kwambiri posindikiza kutentha, kusefera kwamafuta, ndi zinthu zina zophatikizika zomwe zimafuna kukana kutentha kwambiri.
3. Nsalu yosalukidwa ya PET ndi nsalu yosalukidwa yomwe imakhala yachiwiri kwa nayiloni spunbond yopanda nsalu. Mphamvu zake zabwino kwambiri, kutulutsa mpweya wabwino kwambiri, kukana kugwetsa misozi komanso zinthu zotsutsana ndi ukalamba zagwiritsidwa ntchito m'magawo osiyanasiyana ndi anthu ochulukirachulukira.
4. Nsalu zopanda nsalu za PET zimakhalanso ndi katundu wapadera kwambiri wakuthupi: kukana kuwala kwa gamma. Ndiko kunena kuti, ngati itagwiritsidwa ntchito pazachipatala, imatha kutsekedwa mwachindunji ndi kuwala kwa gamma popanda kuwononga thupi lake komanso kukhazikika kwake. Ichi ndi chinthu chakuthupi chomwe nsalu za polypropylene (PP) za spunbond sizikhala nazo.
PET, yomwe imadziwika kuti polyester, ndiyo mitundu yayikulu kwambiri ya ulusi wopangidwa potengera kupanga, yomwe imadziwikanso kuti nsalu ya polyester yopanda nsalu. Amapangidwa kuchokera ku polyester fiber (PET) kudzera muukadaulo wa spunbond. Nkhaniyi imatha kusinthidwa mosiyanasiyana makulidwe, m'lifupi, ndi mawonekedwe ake, ndipo chifukwa cha magwiridwe antchito ake, imakhala ndi mphamvu zolimba kwambiri, kukana kuvala, kukana chilala, komanso kukana chinyezi. Imalimbananso kwambiri ndi bleaching komanso yosasweka mosavuta. Nsalu ya PET spunbond yosalukidwa imakhala ndi ntchito zingapo, zomwe zimapangitsa kuti ikhale yabwino popota ndi kulongedza.