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Question:

Are aluminum cans almost completely or even completely aluminum?

Minus the printing, what percentage of the usual aluminum cans (like the ones used in coke etc) is really aluminum? thanks

Answer:

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I don't know where Mazzy get Al cans from but, in the USA (and most other countries), beverage can stock (BCS) is NOT 6061 6061 is a common extrusion alloy for things like window frames and furniture tubing/shapes, etcAlmost everyone uses one alloy for the can body, usually 3003 or 3004, and a different alloy for the lid, 5052 or similar alloy BCS is a material that has to meet some of the most stringent quality requirement in existenceThe reason is that, to be competitive, can makers must keep their lines operating almost all the time (the production lines are very complex, very expensive, very high speed so, every minute of down time is VERY expensive) It has been some time since I worked in this area but, back then, body makers were running at about 120 strokes per minute (1 stroke 1 can)They go faster nowSoIf the line is down for 10 minutes, that's a couple thousand cans that did not get madeAs far as how much of the can is Al soda is very corrosive so all Al beverage cans are lined with a polymer layer and, of course, there is paint on the outside You can see youtube video of what this coating looks like when you dissolve the Al can from the outsideThere has been a constant push to make the Al thinner (more cans per pound) so these coatings make up a larger percentage of the can now then they did 20 years ago.

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