Kantong foil henteu toksik. Bagian jero kantong insulasi aluminium foil mangrupikeun bahan insulasi lemes sapertos busa, nu minuhan peraturan kaamanan pangan. Aluminium foil boga sipat panghalang alus teuing, lalawanan Uap alus, jeung insulasi termal. Malah lamun panas ngahontal lapisan airbag pe tengah ngaliwatan lapisan aluminium foil jero, convection panas bakal kabentuk dina lapisan tengah, 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, farmasi, photographic film, household items, jsb. Usually used as packaging materials, electrolytic capacitor materials, and heat insulation materials for buildings, vehicles, ships, houses, jsb. 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.
