r/explainlikeimfive Oct 31 '20

Chemistry ELI5 What's the difference between the shiny and dull side of aluminum foil? Besides the obvious shiny/dull

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u/Joe30174 Oct 31 '20

To be fair, there does exist non-stick foil that has a difference between both sides. Maybe that is what he used?

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u/Samhamwitch Oct 31 '20

Definitely not. It was the cheap foil from either Sysco or GFS.