What is aluminium foil?
Aluminium foil. Jump to navigation Jump to search. A sheet of aluminium foil. Aluminium foil (or aluminum foil), often referred to with the misnomer tin foil, is aluminium prepared in thin metal leaves with a thickness less than 0.2 mm (7.9 mils); thinner gauges down to 6 micrometres (0.24 mils) are also commonly used.
When was aluminum foil replaced by tin foil?
Aluminium foil supplanted tin foil in the mid 20th century. Annual production of aluminium foil was approximately 800,000 tonnes (880,000 tons) in Europe and 600,000 tonnes (660,000 tons) in the U.S. in 2003.
What is the history of aluminum foil wrapping?
The first aluminium foil. The first use of foil in the United States was in 1913 for wrapping Life Savers, candy bars, and gum. Processes evolved over time to include the use of print, colour, lacquer, laminate and the embossing of the aluminium.
What is the thickness of aluminum foil in dB?
Aluminium foil is about 1 mil (25 μm); a thickness of 10 mils (250 μm) (ten times thicker) offers less than 1 dB of shielding at 1 kHz, about 8 dB at 10 kHz, and about 25 dB at 100 kHz.
Where can I find sample aluminum foil board and foil paper?
Swatch books are available to see samples of colors and thicknesses. Alufoil Products Co. provides aluminum foil board and foil paper in rolls that can be slit to width or in sheets that are cut to size and completely trimmed.
Is aluminium foil impermeable to oxygen?
Aluminium foils thicker than 25 μm (1 mil) are impermeable to oxygen and water. Foils thinner than this become slightly permeable due to minute pinholes caused by the production process. Aluminium foil has a shiny side and a matte side. The shiny side is produced when the aluminium is rolled during the final pass.
How many tons of aluminum foil is used in the US?
Annual production of aluminium foil was approximately 800,000 tonnes (880,000 tons) in Europe and 600,000 tonnes (660,000 tons) in the U.S. in 2003. Approximately 75% of aluminium foil is used for packaging of foods, cosmetics, and chemical products, and 25% is used for industrial applications (e.g., thermal insulation, cables, and electronics).