Aluminium foil is a thin sheet of metal that is made up mainly, by weight, of aluminium. It has many uses in the household and industry, including wrapping food and helping to keep it fresh, protecting surfaces from heat and light, reflecting certain types of radiation for medical purposes, sealing containers to preserve contents and insulating against cold or heat. Furthermore, it is also used when cooking food as an alternative to a direct heat source like an oven or grill.
Aluminium foil has a wide variety of different uses and properties. Its most common use is as a protective barrier against heat, light, moisture, and oxygen, with its highly reflective nature. Additionally, aluminium foil offers excellent conduction of electricity and can be used to produce capacitors for electrical components. It is also commonly used in packaging materials due to its insulation properties, which help keep food fresh and protected from contaminants.
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