Li-synthetic fibers li entsoe ka li-polymer tse entsoeng tse thehiloeng ho lisebelisoa tse tala tse kang petroleum. Mefuta e fapaneng ea likhoele e hlahisoa ka metsoako e mengata e fapaneng ea lik'hemik'hale. Fiber e 'ngoe le e' ngoe ea maiketsetso e na le thepa le litšoaneleho tse ikhethang tse lumellanang le lits'ebetso tse ikhethileng. Likhoele tse 'nè tsa maiketsetso -polyester, polyamide (nylon), acrylic le polyolefin - li laola 'maraka oa masela. Masela a maiketsetso a sebelisoa indastering le makaleng a fapaneng a fapaneng, ho kenyelletsa, liaparo, thepa ea ka tlung, filtration, likoloi, sefofane, marine, jj.
Hangata masela a maiketsetso a entsoe ka polasetiki, joalo ka polyester, e arabelang hantle ts'ebetsong ea laser. Lebone la laser le qhibilihisa masela ana ka mokhoa o laolehileng, e leng se etsang hore ho be le mapheo a se nang burr le a tiisitsoeng.