Chan eil pocannan foil puinnseanta. Tha taobh a-staigh a’ bhaga insulation foil alùmanum na stuth insulation bog leithid foam, a tha a rèir riaghailtean sàbhailteachd bìdh. Tha feartan bacaidh sàr-mhath aig foil alùmanum, math an aghaidh taiseachd, agus insulation teirmeach. Eadhon ged a ruigeas an teas am meadhan baga adhair PE tron fhilleadh foil alùmanum a-staigh, thèid convection teas a chruthachadh anns an t-sreath mheadhanach, 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, deochan, cigarettes, cungaidhean-leighis, photographic film, household items, etc. Usually used as packaging materials, stuthan electrolytic capacitor, and heat insulation materials for buildings, carbadan, ships, houses, etc. 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.
