Mafilimu opangidwa ndi aluminiyamu ali ndi mphamvu yowunikira bwino ku cheza cha ultraviolet ndi infrared, ndipo amatha kukwaniritsa ntchito yotchinga kuwala kwa ultraviolet. Pa nthawi yomweyo, akhoza kusintha mpweya chotchinga filimu. Zili ndi mphamvu yoletsa chinyezi ndipo imakhala ndi zitsulo zonyezimira. Zimagwiritsidwa ntchito kwambiri popanga zakudya, kunyamula fodya wa mafakitale, kuphatikizira, kusindikiza, zomata, ndi zina zotero. Zoyenera kwa mitundu yonse ya fodya wapamwamba ndi kunyamula mowa, mabokosi a mphatso ndi golide wina. ndi siliva makatoni, etc., angagwiritsidwe ntchito mkaka ufa, tiyi, mankhwala, chakudya ndi ma CD zina ndi zizindikiro, laser odana ndi zinthu zabodza.

Filimu ya aluminiyamu ndi filimu yotchinga yomwe imapangidwa pophatikizana ndi cellophane.Imakhalanso filimu yowonongeka.