Filimi zikozwe mu buryo bw’urutare rurerure ni filime zifite laminate nyinshi zagenewe kurinda ibirimo gupfunyika umwuka wa ogisijeni, ubushuhe, impumuro nziza, urumuri, n'ibindi bintu byo hanze.
Izi filime zikunze guhuza ibikoresho nka PET, Nylon, EVOH, aluminiyumu, na PE/CPP kugira ngo zigere ku musaruro mwiza w’urutare.
Zikoreshwa cyane mu biryo, imiti, n'inganda zipfunyikamo ibisaba igihe kirekire kandi zigatanga umusaruro uhagije.
Imiterere isanzwe y'ibikoresho irimo:
• PET/AL/PE (Filimu y'urupapuro rwa aluminiyumu)
• PET/NY/PE
• BOPP/EVOH/CPP
• Nayiloni/PE ifite urwego rw'ibanze rwa EVOH
• Filimu y'urupapuro rwa PET cyangwa BOPP rw'icyuma.
Iyi mikoranire y'ibice byinshi ituma umwuka wa ogisijeni n'ubushuhe bidashobora kugwa neza mu gihe ikomeza koroha no gufunga neza.
Filimi zifite uburebure bunini zitanga ibyiza bikurikira:
• Imiterere myiza y’ingufu zo kubuza umwuka n’ubushuhe
• Igihe kirekire cyo kubika ibicuruzwa no kubibika mu buryo bushya
• Impumuro nziza, uburyohe, no kurinda imirasire ya UV
• Bikwiriye gupakira mu buryo bw’umwuka no gupakira mu kirere cyahinduwe (MAP)
• Ahantu hacapishwa ho gushyira ikirango no kwandikaho
• Ingufu zikomeye za mekanike no kurwanya gutobora
Filimi zivanze cyane zikoreshwa cyane mu:
• Inyama, sosiso, n'ibikomoka ku mafi bipfunyitse mu cyuma
• Ikawa, icyayi, n'ibiryo byo mu bwoko bwa “snack packing”
• Imiti n'ibikoresho by'ubuvuzi
• Foromaje, amata, n'ibiryo bipfunyitse mu ifu
• Ibiryo by'amatungo n'inyongeramusaruro
• Ibikoresho by'ikoranabuhanga n'ibikomoka ku bushyuhe mu nganda
Filimi zisanzwe zivanze zishobora gutanga uburinzi bw'ibanze ariko ntizikwiriye ibicuruzwa bisaba kubikwa igihe kirekire.
Filimi zifite uburebure bw'ibiziriko zirimo ibice byihariye nka aluminiyumu foil, EVOH, cyangwa PET yubatswe mu byuma kugira ngo bigabanye cyane igipimo cyo kwanduza umwuka n'ubushuhe (OTR na MVTR).
Zituma ibicuruzwa birindwa neza, cyane cyane mu gihe bibikwa cyangwa mu gihe cyo gutwara ibintu.
Yego, firime zivanze n'imigozi miremire zikunze gukoreshwa mu mifuka ifunze neza no mu ipaki y'ikirere yahinduwe (MAP).
Ifite ubushobozi buke bwo kwinjira mu mubiri bifasha gukuraho ogisijeni no kugumana azote cyangwa CO₂, bikongera ubushyuhe no kubuza mikorobe gukura.
Zikoreshwa cyane mu gutunganya inyama, gupakira foromaje, no mu ifunguro ryiteguye kuribwa.
Yego rwose. Izi firime zishobora gupfundikirwa n'ubushyuhe cyangwa gupfundikirwa n'ubukonje, bitewe n'urwego rwo gupfundikirwa (PE, CPP, EVA, nibindi).
Zirahuye na gravure, flexo, na digital printing.
Ibintu byifashishwa harimo gucikamo uduce tworoshye, zipper zishobora kongera gupfundikirwa, anti-hug coating, na laser scoring.
Ubunini, urwego rw'imbogamizi, hamwe n'uburyo bwo gutunganya ubuso byose bishobora guhindurwa hakurikijwe ibikenewe mu gupfundikirwa.
Yego, filime zivanze n’ibiryo zo mu rwego rwo hejuru zikorwa hakurikijwe amabwiriza ya FDA, EU, na GB.
Ni nziza ku buryo zishobora guhuzwa n’ibiribwa n’ibinyobwa, harimo n’ibikonjeshwa, bikonjeshwa, n’ibishobora gusubizwa inyuma.
Impamyabumenyi z’isesengura (COA), raporo z’ibizamini byo kwimuka, n’impapuro z’amakuru y’ibikoresho bishobora gutangwa iyo ubisabye.
Ubunini busanzwe buri hagati ya mikoroni 50 na mikoroni 180 bitewe n'imiterere n'ikoreshwa.
Filimi zo mu isanduku y'imyanda muri rusange ziba mikoroni 70-150, mu gihe imigozi y'ibiryo byoroshye ishobora kuba nto (mikoroni 20-60).
Imiterere yihariye ishobora gukorwa hashingiwe ku buryo ibicuruzwa birushaho kuba byiza no ku buryo ikoranabuhanga rikoreshwa.
Filimi gakondo zikoreshwa mu bikoresho byinshi biragoye kongera gukoreshwa.
Ariko, filime zikoreshwa mu bikoresho bimwe zishobora kongera gukoreshwa (urugero, zose-PE cyangwa zose-PP) ziragenda ziboneka cyane, zitanga ibisubizo birambye byo gupfunyika.
Bamwe mu bakora kandi batanga filime zikoreshwa mu bikoresho bikoreshwa mu gupfunyika ifumbire nka PLA cyangwa selulose.
Ni ngombwa guhuza ibikenewe mu mikorere n'intego zo gukomeza mu gihe cyo guhitamo filime.
Icyiciro cy'ibicuruzwa