Fim ɗin jujjuyawar injin wani nau'in hanyar tattarawa ne wanda ke nannade kaya sosai don jigilar kayayyaki da adanawa a ƙarƙashin yanayin zafi na yau da kullun ta hanyar amfani da damuwa na lalacewa ta hanyar tilasta shimfiɗa fim ɗin ta na'urar miƙewa na inji ko hannu.Shahararriyar nau'in marufi ne a duniya.Gudun guduro da aka shigo da shi da haɓakar kwararar ɓangarorin fim ɗin extrusion ana ɗaukar su.Yana yana da halaye na kyau tensile dukiya, hawaye juriya, karfi shigar juriya, high nuna gaskiya, mai kyau kai m dukiya, high ja da baya kudi, m marufi kuma babu sako-sako da.Ana iya amfani dashi ko'ina don marufi ɗaya ko tire da sauran marufi na kayan albarkatun sinadarai, takin mai magani, abinci, samfuran injina da lantarki, samfuran yadi mai haske, da sauransu.