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this post was submitted on 25 Apr 2024
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Asklemmy
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FYI; cans are plastic lined.
It's true, but the amount of plastic in the cans is pretty negligible, especially compared to plastic bottles and the aluminum can is still by far the most recyclable beverage container.
Also there are new linings that don't use plastic but natural materials called oleoresinous linings but they're not good for acidic things so they're not very wildly used.
Wouldn't glass be more recyclable?
TIL. Do you know when that started?
Always. We used steel before then because it wouldn't react with the drink. We always knew aluminum cans would be cheaper, but couldn't figure out how to protect the flavor and carbonation until Coors figured out how to line it with plastic. He shared the process for free with his competition because he knew a recycling program would scale really well.
That's not entirely true. In the early days they used wax to line the cans because steel still leaves a taste in the drink. It just didn't work very well and also caused carbonation issues as the CO2 diffused into the wax.
Wow, multiple TIL on this thread.
Hmm. I wonder if this is true for all the various other acidic canned products. I use cans heavily in my cooking, so this is worrisome. Would the old Shackleton cans be wax-lined?
Glass is an option, or course, which is used in home canning.