Pazvokudya zvitsva zvakadai senyama, hove uye miriwo yakasiyana-siyana nemichero, kiyi yekuchengetedza kwavo iri mukudzora kupinda nekubuda kweokisijeni uye unyoro. Polyethylene (PE) firimu yekudya isarudzo yakajairika. Inogona kunyatso kuvharira okisijeni, kudzikamisa mwero weoxidation yechikafu chitsva uye kudzivirira kuti isaparare nekukurumidza. Panguva imwecheteyo, inogona zvakare kuchengetedza hunyoro zvine mwero, ichidzivirira zvibereko zvitsva kubva pakurasikirwa kwayo nyoro nekuda kwekushaya mvura. Kune zvimwe zvemhando yepamusoro zvigadzirwa, PET / PE inoumbwa zvinhu zvinonyanya kukodzera. Iyo PET layer inopa yakanakisa mechanicha simba uye chipingamupinyi kuita, inokwanisa kumirisana nekukanganisa kwekunze uye kupinda kweokisijeni uye hunyoro. Iyo PE layer inovimbisa kuchinjika uye kupisa-kuvharisa chisimbiso chebhegi, zvichiita kuti kurongedza kurongedze uye kuve nyore. Aluminium foil zvakare isarudzo yakanaka yezvokudya zvakabikwa uye nyama inoda kuvharidzirwa-yakachengetedzwa. Haisi chete ine yakanaka mechanical properties, asiwo inogona kuchengetedza kunhuhwirira uye kutsva. Iko kushandiswa kwezvinhu izvi kunogadzira nzvimbo yakagadzikana yemukati yechikafu chitsva, inowedzera hupenyu hwesherufu, inoita kuti vatengi vatenge zvigadzirwa zvitsva sezvitsva, uye inovimbisa kuchengetedzwa kwekushandisa.
Zvinhu zvakaomeswa, zvakaita sebhinzi nenzungu, zvine zvinodikanwa zvakanyanya zvekusamira munyoro nekuda kwekuderera kwemvura. Aluminium foil composite mabhegi anoita zvakanyanya muchimiro ichi. Aluminium foil ine yakanakisa chipingamupinyi zvivakwa uye inogona kuvhara zvachose hunyoro, okisijeni uye chiedza. Zvinhu zvakaomeswa zvakazara mumasaga ealuminium foil composite uye zvinogona kuchengetwa kwenguva yakareba pasina kunetseka nezve unyoro, mold, oxidation, rancidity kana kuputika kwezvipembenene. Kunyangwe munzvimbo ine mwando, mabhegi ealuminium foil akaumbwa anochengetedza mhando yezvinhu zvakaomeswa, zvichibvumira izvo zvinovaka muviri uye kuravira kuti zvichengetedzwe zvizere, zvichiita kuti vatengi vafarire kuravira kwepakutanga kwezvinhu zvakaomeswa pavanenge vachizvidya. Kunyangwe nguva ichipfuura chinyararire, zvinhu zvinoshanda zvinogona kuramba zvakabatirira kuzvinangwa zvavo zvepakutanga.
Zvinhu zvakabikwa, zvakadai sechingwa, makeke, mabhisikiti, nezvimwewo, zvine zvavanoda zvakasiyana pakurongedza. Rudzi urwu rwechikafu runoda kuchengetedza crispy kugadzirwa uku uchidzivirira mafuta kuti asabuda. Mabhegi ekurongedza akagadzirwa nepolypropylene (PP) kana polyester (PET) anogona kunyatsozadzisa izvi zvinodiwa. Iwo akafanana nemasefa maviri akanaka uye akaomarara. Kune rimwe divi, ivo vanogona chaizvo kudzivirira "kupukunyuka" kwemamorekuru emafuta, kuve nechokwadi chekuti chitarisiko chekurongedza chinoramba chakachena uye chitsva nguva dzese uye kudzivirira kukanganiswa kwechiitiko chevatengi chekuona uye chido chekutenga nekuda kwekudonha kwemafuta. Nekune rumwe rutivi, inochengeta zvine hungwaru humwe hunhu hwekufema, sekuvhura "mugero wekufema" wemidziyo yakabikwa, ichibvumira mhute yemvura kubuda nenzira yakarongeka, nekudaro ichidzivirira zvinonyadzisa mamiriro ekunyorovesa uye kurasikirwa nekunyorova nekuda kwekuunganidzwa kwemhute yemvura. Izvi zvinovimbisa kuti kana vatengi vakavhura pasuru, vanogona kuramba vachiravira kunaka kwezvakabikwa zvinhu zviri kunze kwechoto.
Zvinhu zvemabhegi ekurongedza chikafu zvine hukama zvakanyanya nekuchengetedza uye kuchengetedzwa kwechikafu. Semugadziri wemabhegi ekurongedza chikafu, ibasa redu rekutanga kunzwisisa zvakadzama maitiro ezvikafu zvakasiyana uye kunyatsoenderana neakakodzera ebhegi rekurongedza zvinhu. Nenzira iyi chete ndipo panogona kupihwa vimbiso dzakavimbika dzechikafu panguva yekuchengetera uye yekufambisa, zvichibvumira vatengi kunakidzwa nekunaka kwese nerunyararo rwepfungwa, uye zvakare kugonesa cheni yekugovera yeindasitiri yechikafu kushanda zvakatsiga uye nemazvo.