Aluminum foil is aluminum prepared in a thin metal laminate. About 75% of aluminum foil is used to package food, cosmetics and chemical products. When aluminum foil is used for packaging or cooking food, most people are confused about which side of the foil to use.
Due to the manufacturing process, most aluminum foil rolls come in glossy and matte sides. There is only a small difference between the two and not much difference in daily life. But if you really want to get better results, here are two tips for you. The reflectivity of the dark side is 80% and the light side is 88%, so it is best to use the light side to wrap food, which can speed up cooking.
