① Akwụkwọ-plastic ihe mejupụtara.Akwụkwọ nwere arụmọrụ mbipụta dị mma, ikuku ikuku dị mma, nkwụsị mmiri na-adịghị mma, na nrụrụ na kọntaktị na mmiri;Ihe nkiri plastik nwere ezigbo nguzogide mmiri na ikuku ikuku, mana enweghị ike ibipụta ya.Mgbe emechara ihe abụọ ahụ, a na-emepụta ihe ndị na-emepụta ihe dị ka plastik-paper (ihe nkiri plastik dị ka ihe dị n'elu), akwụkwọ-plastic (akwụkwọ dị ka ihe dị n'elu), na plastik-paper-plastic.Ihe mpempe akwụkwọ mpempe akwụkwọ-plastic nwere ike ime ka mmiri na-eguzogide mmiri nke akwụkwọ ahụ, ma n'otu oge ahụ nwere ihe mkpuchi okpomọkụ.Enwere ike ime ya site na usoro nchịkọta akọrọ, mmiri mmiri na-emepụta ihe na extrusion compound.

② Ihe mejupụtara plastik.Ihe ndị mejupụtara plastik-plastic bụ ihe ndị a na-ejikarị eme ihe.Ihe nkiri plastik dị iche iche nwere uru na ọghọm nke ha.Mgbe emechara ha, ihe ọhụrụ ahụ nwere ihe ndị magburu onwe ya dị ka mmanu mmanu, mgbochi mmiri, na ikpo ọkụ ọkụ.Mgbe ngwakọta plastik-plastic gasịrị, enwere ike ịmepụta okpukpu abụọ, okpukpu atọ, okpukpu anọ na ihe ndị ọzọ mejupụtara, dị ka: OPP-PE BOPET - PP, PE, PT PE-evoh-PE.

③Aluminom-plastic ihe mejupụtara.Ikuku ikuku na ihe mgbochi nke foil aluminom dị mma karịa nke ihe nkiri plastik, ya mere, mgbe ụfọdụ a na-eji plastik-aluminom-plastic composite, dị ka PET-Al-PE.

④ Akwụkwọ-aluminom-plastic ihe mejupụtara.Ihe mpempe akwụkwọ mpempe akwụkwọ-aluminom-plastic na-eji akwụkwọ dị mma na-ebipụta akwụkwọ, ezigbo ihe na-egosi mmiri na okpomọkụ nke aluminom, na ezigbo ọkụ ọkụ nke ụfọdụ ihe nkiri.Ijikọta ha ọnụ nwere ike nweta ihe ọhụrụ mejupụtara.Dị ka akwụkwọ-aluminom-polyethylene.

Igwe fexon'agbanyeghị ụdị ihe mejupụtara ihe ọ bụ, a na-achọrọ na oyi akwa dị n'èzí nwere ihe nrụpụta dị mma na ihe eji arụ ọrụ, oyi akwa dị n'ime nwere ezigbo mkpuchi ikpo ọkụ, na etiti etiti nwere ihe ndị dị n'ime ya chọrọ, dị ka mgbochi ọkụ. , mgbochi mmiri na ihe ndị ọzọ.