Jags da aka saka, kuma ana kiransu da jaka mai fata. Wani nau'in filastik da aka yi amfani da shi don tattarawa, da albarkatun abinci gaba ɗaya daban-daban kayan sunadarai kamar polyethylene da polypolylene.
An yi jaka na filastik an yi shi da kunkuntar filayen filastik tare da wani nisa, ko ta hanyar saƙa filastik lebur tube tare da elongation da elongation ta amfani da hanyar shimfiɗa da ta amfani da hanyar shimfiɗa. Jaka da aka saka suna da ƙarfi mafi girma fiye da jakar filastik filastik, ba a sauƙaƙa lalacewar filastik, kuma suna da juriya tasirin gaske. A lokaci guda, farfajiya na jakar da aka saka ya sanya alamu, wanda ya inganta sosai aikin anti na zamewa kuma yana sauƙaƙe stacking lokacin ajiya.
Abvantbuwan amfãni:
1) nauyi mai nauyi
2) karfin karaya
3) Kyakkyawan juriya na lalata sunadarai
4) Kyakkyawan sa juriya
5) Kyakkyawan rufin lantarki
6) juriya na muhalli
Aikace-aikace:
1) jaka masu shirya don samfuran masana'antu da aikin gona
2) jakunkuna na abinci
3) Yawon shakatawa da masana'antar sufuri
4) Abubuwan injiniya
5) Abubuwan sarrafawa
Sanarwa:
1) Guji saukarwa da abubuwa waɗanda suka wuce ɗaukar ƙarfin don guje wa lalacewar saka jakunkuna ko rashin iya magance su.
2) Guji ja kai tsaye a ƙasa, kamar yadda rikici tsakanin jakar da kuma ƙasa ba kawai ya kawo ƙasa ba, amma kuma na iya haifar da siliki na jakar da aka saka, amma kuma na iya haifar da lalatawar jakar da aka saka.
3) Guji hasken rana kai tsaye da ruwan sama mai ruwa zuwa hanzarta farashin tsufa.
4) Guji hulɗa tare da sunadarai kamar acid, barasa, fetur, da sauransu don kula da matattararsu da launi na asali.