Njengamanje, ipulasitiki yephepha yokupakisha eguquguqukayo yokudla okomile nokudla okunamanzi isetshenziswa ikakhulukazi ekhofi, amantongomane nokusanhlamvu, ifomula lezinsana, ukudla okulula, amabhisikidi, okusanhlamvu nemikhiqizo kawoyela noma imikhiqizo yobisi. Isakhiwo esiyinhloko siyizingqimba ezi-4 zesakhiwo esiyinhlanganisela yezingxenye eziningi, izinto ezivimbelayo ngokuyisisekelo ziyi-aluminium foil, i-aluminium ehlanganiswe i-PET ne-PVDC enamathela, isithiyo se-oksijini kanye nesithiyo somphunga wamanzi singafinyelela izinga elihle, sihlangabezane nezidingo zokuphila kweshalofu elingaphezu konyaka, kwezokuthutha kanye nokuphila kweshalofu kungavikela kahle ukusha kokudla. Kodwa ikhwalithi yemvelo yenhlanganisela yephepha-plastiki ayikwazi ukukhiqiza inani lokugaywa kabusha.
Njengoba izinto zokupakisha eziyinhlanganisela eziguquguqukayo zingakwazi ukuhlelwa zibe yiphepha nepulasitiki ezindaweni zokugaywa kabusha, amazwe amakhulu athuthukile akhuthaza ikhabhoni ephansi kanye nokuhlelwa kabusha okuhleliwe azokhawulela ngokusobala inani lokupakishwa okuyinhlanganisela yephepha nepulasitiki elisetshenzisiwe, kuncishiswe ingcindezi yokugaywa kabusha kwezinto eziyinhlanganisela kanye nesamba senani eliphelele lokucubungula kabusha kwephepha ne-pulp.
Izakhiwo zokupakisha ezinokuqukethwe kwamaphepha aphezulu zingase zigaywe kabusha, zigaywe kabusha noma zenziwe umquba, kodwa azihlinzeki ngokuvikeleka okwanele kwesithiyo sokudla ukuze kuvinjelwe i-oxidation yokuqukethwe noma ukuhlukana komswakama ezindaweni ezishisayo nezinomswakama. Ukugcina ubusha nokuphepha komkhiqizo ngesikhathi sokuthunyelwa, impilo yeshalofu kanye nokusetshenziswa kwasekhaya kuyinselele.
Izinto ezivimbela ukupakishwa kokudla eziguquguqukayo, ukunameka noma isakhiwo sefilimu se-co-extrusion, ngesikhathi esifanayo kwezokuthutha, impilo yeshalofu kanye nesikhathi sokusetshenziswa kwabathengi kunesithiyo esizinzile sokusebenza kwe-oksijeni nokusebenza komhwamuko wamanzi, ukuze kugcinwe ubusha bokudla.
Isikhathi sokuthumela: Mar-31-2023