Awọn apo idalẹnu ẹgbẹ jẹ ti ohun elo ṣiṣu pẹlu idena, ifarada ooru ati lilẹ. Le ṣe idiwọ ibajẹ ounjẹ, ṣe idiwọ ifoyina ti awọn vitamin ninu ounjẹ. Ni gbogbogbo yan olona-Layer ṣiṣu apapo, wọpọ pẹlu PET/AL/PE, PET/NY/PE, PET/MPET/PE, PET/AL/PET/ NY/AL/PE, PET/NY/AL/RCPP, ga otutu apo distillation gbẹ ounje tutu, bbl Ṣiṣu composite co-extrusion film, yoo yellow aluminiomu bankanje, nitori aluminiomu bankanje apoti apoti ni o ni o dara idankan. Dina afẹfẹ, dina ina orun, dènà epo, dènà omi, fere gbogbo awọn oludoti ko le wọ inu; Apo apamọwọ aluminiomu ni wiwọ afẹfẹ ti o dara; Apoti bankanje aluminiomu ni iboji to dayato, ṣugbọn tun ni resistance epo ti o dara ati rirọ. O wulẹ ga ite ati oguna, pẹlu ti o dara lilẹ ipa. Ẹnu apo le jẹ edidi nirọrun, rọrun lati tun lo ati pe o le jẹ ki ọja inu ko ni irọrun nipasẹ ọrinrin.