Quote:
Originally Posted by rltilley
The aluminum used in cans nowadays is pretty bad and I've had multiple cans of coke fail just sitting in a cupboard at home.
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They've made the aluminum in carbonated beverage cans extremely thin to save on material costs. That's also why the lid is a smaller diameter than the body of the can -- the lid has to be thicker, so they make the thick part as small as possible.
It's not much of an exaggeration to think of these cans as aluminum balloons. Juice cans are significantly thicker and heavier because they don't have gas pressure supporting them from the inside.
I'd be tempted to fill the space between the cans and the lid with a folded towel or something, on the theory that the cans are getting lofted into the air inside the cooler and getting damaged when they land.