Zosinthidwa ulusi ndi zachilengedwe wochezeka zobwezerezedwanso thonje. Zobwezerezedwanso Polyester ma flakes a botolo atha kugwiritsidwa ntchito kupanga ulusi waufupi wa polyester ndi nsalu zopanda nsalu. Itha kugwiritsidwanso ntchito kupanga ulusi wopanda pake ndikupanga zinthu zodzazira monga kumenya. Pankhani yopanga nsalu zobvala, ulusi uwu ukhoza kuphatikizidwa ndi ulusi wina, ndipo kuchuluka kwa kuphatikizika kumakhala pafupifupi 90%. Kapangidwe kake kamagwirizana ndi zofunikira zoteteza chilengedwe ndipo zimatha kuchepetsa kuwononga chilengedwe komanso zinyalala.

Yambitsanso ulusi wosunga zachilengedwe uli ndi zabwino izi:
1. Kuteteza chilengedwe:Yambitsanso ulusi wokonda zachilengedwe umapangidwa pobwezeretsanso nsalu zonyansa kapena mabotolo apulasitiki ndi zinthu zina, zomwe zingachepetse kuipitsidwa kwa chilengedwe ndi zinyalala ndikukwaniritsa zofunikira zoteteza chilengedwe.
2. Kupulumutsa mphamvu: Kapangidwe ka ulusi wobwezerezedwanso wogwirizana ndi chilengedwe ndikopulumutsa mphamvu kuposa momwe amapangira ulusi wakale, zomwe zingachepetse ndalama zopangira.
3. Kuchepetsa utsi: Kapangidwe ka ulusi wogwiritsidwa ntchitonso kamene kamatha kuwononga chilengedwe kungachepetse kutulutsa mpweya wa carbon dioxide ndi mpweya wina woipa, umene uli wopindulitsa ku chilengedwe.
4. Kukhazikika: Kapangidwe ka ulusi wobwezeretsedwanso ndi chilengedwe kamagwirizana ndi mfundo zachitukuko chokhazikika ndipo kungalimbikitse chitukuko cha chuma chozungulira.
