Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil Wrap

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil Wrap

Consider the mystery solved..
According to Reynold's Kitchen, the difference between the two sides of aluminum foil is just a result of manufacturing.

For over 70 years, home cooks like you have trusted Reynolds Wrap Aluminum Foil’s strength, versatility and durability all throughout their home. Reynolds Wrap can be used to protect food in all steps of the cooking process, and helps keep leftovers fresh when the cooking’s done. Use Reynolds aluminum foil to line baking pans and sheets for easy clean-up, or to wrap food while roasting or baking to seal in flavor and moisture.

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

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Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

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Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil Wrap

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

When using aluminum foil, does the orientation of the shiny side vs. the dull side matter? - Quora

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil Wrap

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

Pitmaster's Choice Foil

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

Everyday Foil Reynolds Brands

For over 70 years, cooks have trusted Reynolds Wrap Aluminum Foil to deliver strength, versatility and durability. This non-stick Reynolds Wrap helps

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

Reynolds Wrap Non-Stick Aluminum Foil, 105 Square Feet

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

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Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

The Great Aluminum Foil Debate: Shiny Side Up or Down?

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

Aluminium foil - Wikipedia

Why Aluminum Foil Has a Dull Side and a Shiny Side - Reynolds Aluminum Foil  Wrap

Why Aluminum Foil Is Shiny On One Side While Dull On The Other?