Jakar ciki don akwatin-ciki ta ƙunshi buhun mai da aka rufe da tashar mai da aka shirya akan buhun mai, da na'urar rufewa da aka shirya akan tashar mai;jakar mai ya hada da jakar waje da jakar ciki, jakar ciki an yi shi da kayan PE, kuma jakar waje an yi ta nailan da PE.Jaka na ciki na samfurin mai amfani yana kunshe da nau'i biyu: jakar ciki da jakar waje, wanda ke inganta sassauci da kauri daga cikin jakar ciki, tsarin yana da sauƙi kuma mai dacewa.
Wani nau'in jakar ciki yawanci jakar marufi ce mai sassauƙa, wacce ta ƙunshi yadudduka biyu na kayan da ba a haɗa su a gefe ɗaya.Ƙaƙwalwar waje shine fim mai haɗaka, kuma ɗakin ciki shine Layer Layer na PE.Abubuwan da aka haɗa Layer na waje yawanci PET/AL/PE, NY/EVOH/PE, PET/VMPET/PE, da dai sauransu.
Zaɓin wannan tsari na musamman shine saboda gaskiyar cewa abubuwan da ke cikin kunshin sune ruwaye masu ƙarfi.Da zarar wani yanki na kayan ya lalace, ana iya samun kariya ta biyu.A lokaci guda, karewar yadudduka biyu na kayan da zasu iya rage kwararar ruwa lokacin sufuri.Yana da tasiri mai kyau na karewa akan tasirin kayan buhun buhu.
Lokacin aikawa: Oktoba-10-2022