Il-boroż tal-fojl mhumiex tossiċi. In-naħa ta 'ġewwa tal-borża ta' insulazzjoni tal-fojl tal-aluminju hija materjal ta 'insulazzjoni artab bħal fowm, li jissodisfa r-regolamenti tas-sigurtà tal-ikel. Il-fojl tal-aluminju għandu proprjetajiet ta 'barriera eċċellenti, reżistenza tajba għall-umdità, u insulazzjoni termali. Anke jekk is-sħana tilħaq is-saff tan-nofs tal-borża tal-arja PE permezz tas-saff ta 'ġewwa tal-fojl tal-aluminju, il-konvezzjoni tas-sħana se tkun iffurmata fis-saff tan-nofs, 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, farmaċewtiċi, photographic film, household items, eċċ. Usually used as packaging materials, electrolytic capacitor materials, and heat insulation materials for buildings, vehicles, ships, houses, eċċ. 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.