Plastic lunch boxes have many advantages, but if you buy the wrong one, the consequences will be serious!
Plastic lunch boxes have always been favored by many families because of their lightness, beauty, and not easy to break. Qualified plastic lunch boxes are harmless as long as they are used properly. Once you buy inferior ones, or use them improperly, the harm will be just as great!
Not all plastics are suitable for cutlery. Plastic lunch boxes made of polyvinyl chloride are toxic and endanger human health. And plastic lunch boxes made of raw materials such as polyethylene, polypropylene and melamine are all safe. Melamine plastic is a kind of thermosetting plastic. It is made of melamine formaldehyde resin as the main raw material, adding an appropriate amount of pulp cellulose filler and colorants and other auxiliary materials. It is resistant to acid and alkali. Now it is mostly used to make children's tableware in the market. Imitation porcelain tableware. Qualified imitation porcelain tableware is relatively safe. As long as it is used correctly, there is no need to worry too much about its harm. But if the raw material resin does not polymerize well, it is easy for melamine to be incorporated into food. In addition, melamine may decompose at high temperature to produce cyanide, which may produce harmful substances when heated or placed in a microwave oven.
