Folie tassen binne net giftig. De binnenkant fan 'e isolaasjetas fan aluminiumfolie is in sêft isolaasjemateriaal lykas skom, dy't foldocht oan de fiedingsfeiligensregels. Aluminiumfolie hat poerbêste barriêre-eigenskippen, goede vocht ferset, en termyske isolaasje. Sels as de waarmte berikt de middelste PE airbag laach troch de binnenste aluminium folie laach, waarmte convection sil wurde foarme yn de middelste laach, and it is not easy to penetrate the outer aluminum foil layer, so as to achieve a good heat insulation effect.
What material is the gold on the outside of the aluminum foil lunch box?
oxide layer.
Aluminum foil is a hot stamping material that is directly rolled into thin sheets from metal aluminum.
Due to its excellent properties, aluminum foil is widely used in food, beverages, cigarettes, farmaseutyske produkten, photographic film, household items, ensfh. Usually used as packaging materials, electrolytic capacitor materials, and heat insulation materials for buildings, vehicles, ships, houses, ensfh. It can also be used as decorative gold and silver thread, wallpaper, various stationery prints, and decorative trademarks of light industrial products.
In a variety of applications, the most effective performance of aluminum foil is as a packaging material.
