Cov hnab ntawv ci tsis muaj tshuaj lom. Sab hauv ntawm aluminium foil rwb thaiv tsev hnab yog ib qho khoom siv rwb thaiv tsev zoo li ua npuas ncauj, uas ua tau raws li cov cai ntawm kev nyab xeeb zaub mov. Aluminium ntawv ci muaj cov khoom thaiv zoo heev, zoo noo noo tsis kam, thiab thermal rwb thaiv tsev. Txawm hais tias lub tshav kub mus txog nruab nrab PE airbag txheej los ntawm txheej txheej aluminium ntawv ci, Thaum tshav kub kub convection yuav tsim nyob rau hauv nruab nrab txheej, 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, tshuaj, photographic film, household items, lwm. Usually used as packaging materials, electrolytic capacitor materials, and heat insulation materials for buildings, vehicles, ships, houses, lwm. 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.
