Question

what is the aluminium foil

Answer 1

Al foil often referred to with the misnomer tin foil is Al prepared in thin metal leaves with a thickness less than 0.2mm thinner gauges down to micrometres are also commonly used.

Answer 2

Answer:

Aluminium foil is aluminium prepared in thin metal leaves with a thickness less than 0.2 mm; thinner gauges down to 6 micrometres are also commonly used. In the United States, foils are commonly measured in thousandths of an inch or mils.