Despite the common moniker, tin foil is not used to wrap candy. Rather, foil candy wrappers are made from aluminium, the silver foil that replaced tin foil.
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Metal foil is used for flexible packaging because it offers a better barrier to moisture and gases than any single paper or plastic material, with a lustre and colour that signals quality to consumers.
Metal foil has been around for centuries, and tin foil was the foil in use at the beginning of the 20th century. However, it had a tendency to leave a tin taste on the foods it covered. Even though aluminium foil had almost completely replaced tin foil by mid-century, the former name persists.
Production of aluminium foil began around 1903 in France, by Gautschi, but modern manufacture began with the patenting of the continuous rolling process by Robert Victor Neher in 1910. The same year, he opened the first aluminium rolling plant in Kreuzlingen, Switzerland. In 1913, commercial production of aluminium foil began in the United States. The foil was used to wrap Life Savers, candy and gum.
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