Why does aluminum foil have a shiny and a dull side | Quick Tip

The reason the two sides are different is because of the manufacturing process called tilling. However, when it comes to non-stick foil, Tin foil, there is a designated side, which is the dull side, as the non-stick coating is only applied to that side. Quick Tip Which side of aluminum foil is non-stick? "It makes no difference which side of the foil you use unless you're using Reynolds Wrap Non-Stick Aluminum Foil." Non-Stick foil actually has a protective coating on one side, so the company recommends only placing food on the side marked "non-stick" for maximum efficiency. Here is a crazy fact. Whether you use the thin shiny metal sheeting to cover and wrap food, or to make a protective head covering, chances are you call it aluminum foil if you're on America's side of the Atlantic, and aluminium foil if you're on Europe's side (or near a different ocean entirely). It comes easier after a few tries. But, then you're in danger of forgetting how to say it in American English. Sounding it out may help, al-loo-MIN-ee-um … There's a second "i" in the British form of the word, aluminium, hence the extra syllable. Aluminum became preferred in the United States and Canada, while aluminium became favored throughout the rest of the English-speaking world.