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Question:

Not all Aluminum Foils weigh the same yard by yard. Why What does the other contain?

I bought some cheap aluminum foil, but one weighs much less than the other brand for the same thickness and length, why?What is the other made of? Is it still good to use for grounding something?Thank you.

Answer:

Aluminum foil is aluminum foil, it has nothing but aluminum in it. One of them is misstating the thickness, or you are mistaken about the weight or width.

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