Folieposer er ikke giftige. Innsiden av aluminiumsfolieisolasjonsposen er et mykt isolasjonsmateriale som skum, som oppfyller matsikkerhetsforskriften. Aluminiumsfolie har utmerkede barriereegenskaper, god fuktmotstand, og termisk isolasjon. Selv om varmen når det midterste PE-kollisjonsputelaget gjennom det indre aluminiumsfolielaget, varmekonveksjon vil dannes i mellomlaget, 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, sigaretter, legemidler, photographic film, household items, etc. Usually used as packaging materials, elektrolytiske kondensatormaterialer, and heat insulation materials for buildings, kjøretøy, skip, hus, etc. It can also be used as decorative gold and silver thread, tapet, 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.
