•Muna so mu kira filastik m marufi hada jakunkuna marufi.

•A zahiri magana, yana nufin cewa kayan fim na kaddarorin daban-daban an haɗa su tare kuma an haɗa su don yin rawar ɗauka, kariya da kayan ado.

•Jakar marufi da aka haɗe tana nufin Layer na kayan daban-daban waɗanda aka haɗa tare.

•Babban yadudduka na buhunan marufi gabaɗaya ana bambanta su ta hanyar waje, Layer na tsakiya, Layer na ciki, da maɗauri.An haɗa su cikin layuka daban-daban bisa ga tsari daban-daban.

•Bari YPAK ya bayyana muku waɗannan matakan:

•1.The outermost Layer, wanda kuma ake kira bugu Layer da tushe Layer, yana buƙatar kayan aiki tare da kyakkyawan aiki na bugu da kyawawan kaddarorin gani, kuma ba shakka mai kyau juriya na zafi da ƙarfin injiniya, irin su BOPP (wanda aka shimfiɗa polypropylene), BOPET, BOPA, MT , KOP, KPET, polyester (PET), nailan (NY), takarda da sauran kayan.

•2. Matsakaicin Layer kuma ana kiransa shingen shinge.Ana amfani da wannan Layer sau da yawa don ƙarfafa wani nau'i na tsarin haɗin gwiwar.Yana buƙatar samun kyawawan kaddarorin shinge da kyakkyawan aikin tabbatar da danshi.A halin yanzu, waɗanda aka fi sani da su a kasuwa sune foil aluminum (AL) da kuma fim ɗin aluminium (VMCPP)., VMPET), polyester (PET), nailan (NY), polyvinylidene chloride mai rufi film (KBOPP, KPET, KONY), EV, da dai sauransu.

•3. Layer na uku kuma shine kayan ciki na ciki, wanda ake kira Layer sealing Layer.Tsarin ciki gabaɗaya yana cikin hulɗar kai tsaye tare da samfurin, don haka kayan yana buƙatar daidaitawa, juriya mara ƙarfi, kyakkyawan hatimin zafi, nuna gaskiya, buɗewa da sauran ayyuka.

•Idan kayan abinci ne da aka haɗe, kuma yana buƙatar zama mara guba, mara ɗanɗano, juriya da ruwa, da juriya mai.Abubuwan da aka fi amfani da su sun haɗa da LDPE, LLDPE, MLLDPE, CPP, VMCPP, EVA (ethylene-vinyl acetate copolymer), EAA, E-MAA, EMA, EBA, Polyethylene (PE) da kayan da aka gyara, da sauransu.