Aluminum foil, a foil made of aluminum, which is a sheet of pure metal. Aluminum foil is a thin sheet made of aluminum. In fact, different countries have different definitions of aluminum box thickness. In China, according to GB / T 8005.1-2008 terminology of aluminum and aluminum alloys Part 1: products and processing technology, it is a rolled product with rectangular cross section, uniform thickness equal to or less than 0.20mm and delivered in coils.
Regulations on aluminum foil thickness in different countries
| Country | China | USA | Russia | britain | France | Germany | Italy | Sweden | Japan |
| Maximum thickness (mm) |
0.2 | 0.15 | 0.2 | 0.15 | 0.2 | 0.02 | 0.05 | 0.04 | 0.15 |