Aluminium cans are coated on the inside with plastic. Edit: here is a video showing what the lining looks like. https://youtu.be/EagzNomxTYg https://youtu.be/

Aluminium cans are coated on the inside with plastic. Edit: here is a video showing what the lining looks like. https://youtu.be/EagzNomxTYg https://youtu.be/EagzNomxTYg