Nsalu yopopera yosungunuka ndiye chinthu chofunikira kwambiri pa chigoba, nsalu yopopera yosungunuka imagwiritsa ntchito polypropylene ngati chinthu chachikulu, kukula kwa ulusi kumatha kufika 1 ~ 5 micron. Microfiber yokhala ndi kapangidwe kapadera ka capillary imawonjezera kuchuluka ndi malo a ulusi pagawo lililonse, kotero kuti nsalu yopopera yosungunuka imakhala ndi kusefa bwino, kuteteza, kutchinjiriza komanso kuyamwa mafuta. Ingagwiritsidwe ntchito popanga mpweya, zinthu zosefera zamadzimadzi, zinthu zodzipatula, zinthu zoyamwa, zinthu zophimba, zinthu zofunda, zinthu zoyamwa mafuta ndi nsalu yopukutira ndi zina.
