In the late 1920s, the United States successfully launched household aluminum foil [chaluminium.com]. In the mid-1930s, European aluminum foil industry began to produce aluminum foil rolls for household kitchens, which can be used as tear off products or pre cut sheets packed in bags. Household aluminum foil is sold in the name of "aseptic, bacteria free, clean, trouble free and reusable", and it has become popular rapidly.
Some people still call it tin foil, even if there is no trace of tin (this is the material used to make tin at the beginning of last century). But the correct name for the silver paper we took out of the dispenser was
aluminum foil [chaluminium.com], and its invention made life easier for many people (everyone) because it became very popular since the 1970s.
Aluminum foil is a very good material, children like it, its characteristics are almost fascinating, can adapt to the surface of our package, because it is almost a mirror when it is smooth, when it rippled, it glitters like a lake. But the question we all ask ourselves at least once is: why does it shine on the one hand and dim on the other? Do you have insomnia? Have you ever thought about it? Well, even if we don't know the answer, we can live. Why not let everyone who cares about it know?
Which side of aluminum foil to use?
Working in the kitchen, delish goes a step further and asks himself: why do we instinctively put the food we want to cook in the opaque part of the aluminum and leave the glossy one outside（ The reporter contacted an aluminum foil manufacturer which is very popular in the United States. The spokesman of Renault kitchen explained the working process and the different appearance of the two sides at which stage.
That's where they're pushed out with the help of heat and planned to get thinner. This process is very fine, the aluminum is very soft, in order to get the right thickness without damaging the plate, use two plates at a time, one on top of the other. The bright part is only the polished part, while the dim part is in contact with another aluminum plate. That's it.
Which side of aluminum foil?
In short, both sides have the same function. No, it's not true that the outer surface of silver paper causes cancer. Although we may have been using opaque inside, because it gives us the impression that bed sheets have the right and wrong sides like tablecloths and sweaters. And because the shiny part is more beautiful. It's a bit like the anecdote told by journalist Kate white in one of her women's self-help books, when she asked her mother why she had to teach her how to cut a chicken leg before putting it on the grill., She couldn't answer her.
It wasn't until they found their living grandmother that they found out that during the great depression, she was so poor that she had to put the chicken in a small pan, and she had to cut her leg to put it in. But even if it is no longer needed, this habit has been passed on for three generations. It's like we always put food on the dark side of silver paper, because we see it all the time.
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