What secret is an ordinary aluminum soda can hiding? Secret clear film inside most drinks tins is revealed by burning off the aluminium around it.An Aluminum can is covered with a protective layer not only on the outside, but on the inside as well!
source/image: Home Science
When we remove its paint coating, we expose the aluminum, which easily reacts with a drain cleaner that contains an alkaline component. Watch the video from Home Science for more info:
But even when the aluminum has dissolved completely, the drink will not leak out. There is a second material inside the can – a layer of plastic that keeps the drink itself from interacting with the aluminum.
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High levels of aluminium in the body can be toxic and excess levels can cause bone and brain abnormalities.The plastic liner forms a barrier between the product and metal, providing protection against food-borne diseases.Do not try this at home!
