Babban bambance-bambance tsakanin fata na PU na ruwa da fata na PU na yau da kullun sune kariyar muhalli, kaddarorin jiki, tsarin samarwa da iyakokin aikace-aikace.
Kariyar muhalli: Fatar PU mai tushen ruwa tana amfani da ruwa azaman matsakaicin watsawa a cikin tsarin samarwa, don haka ba mai guba bane, mara ƙonewa, kuma baya gurɓata muhalli. Yana da halaye na ceton makamashi, aminci da kare muhalli. Sabanin haka, fata na PU na yau da kullun na iya samar da iskar gas mai guba da cutarwa da sharar ruwa yayin samarwa da amfani, wanda ke da takamaiman tasiri akan muhalli da lafiyar ɗan adam.
Kayayyakin jiki: Fata na PU na ruwa yana da kyawawan kaddarorin jiki, gami da ƙarfin kwasfa, juriya mai tsayi, juriya mai ƙarfi, da sauransu. Kodayake fata na PU na yau da kullun yana da wasu kaddarorin jiki, maiyuwa bazai yi kyau kamar fata na PU na tushen ruwa ba dangane da kariyar muhalli da dorewa.
Tsarin samarwa: fata na PU na ruwa an yi shi da tsarin tsari na tushen ruwa na musamman da kayan aikin muhalli, kuma yana da fa'idodin juriya mai kyau da juriya, da juriya mai tsayi mai tsayi. Wadannan abũbuwan amfãni an samu daga ruwa na tushen surface Layer da kuma karin jamiái, wanda sau biyu ta lalacewa juriya da karce juriya, wanda shi ne fiye da 10 sau fiye da na talakawa rigar roba kayayyakin fata. Tsarin samar da fata na PU na yau da kullun bazai ƙunshi waɗannan kariyar muhalli da fasahar haɓaka aiki ba.
Iyakar aikace-aikace: Ruwa na tushen PU fata ana amfani dashi sosai a fannoni da yawa kamar takalma, tufafi, sofas, kayan wasanni, da dai sauransu saboda kariyar muhalli da kyawawan kaddarorin jiki, kuma ya cika buƙatu daban-daban don kare muhalli na fata na roba a gida da kasashen waje. Kodayake fata na PU na yau da kullun ana amfani da shi sosai a cikin kayan ado na jaka, sutura, takalma, motoci da kayan daki, ikon yin amfani da shi na iya kasancewa ƙarƙashin wasu ƙuntatawa a cikin mahallin ƙaƙƙarfan buƙatun kare muhalli.
A taƙaice, fata na tushen ruwa na PU yana da fa'ida a bayyane akan fata na PU na yau da kullun dangane da kariyar muhalli, kaddarorin jiki, tsarin samarwa da iyakokin aikace-aikace, kuma abu ne wanda ya fi dacewa da buƙatun kare muhalli na zamani da buƙatun babban aiki.