How long is the service life of plastic lunch boxes?
Most plastic products, such as washbasins, washbasins, storage baskets and other daily necessities, are only marked with the date of manufacture and not with the expiration date. However, as everyone knows, many consumers have such a statement about the shelf life of plastic products.
In addition to commonly used plastic products, plastic lunch boxes may be the most commonly used plastic products. However, there is a news on the Internet that heating plastic lunch boxes will release plasticizers, which may make the general public dare not use plastic anymore. lunch box. Microwave-heated plastic lunch boxes are more and more favored by "fast life" office workers because of their convenience and speed.
In fact, plastic lunch boxes also have a shelf life. After the expiration date, the plastic will age, change color and become brittle. If the plastic box used is found to be yellow or no longer transparent, it should be replaced as soon as possible. The plastic lunch box has been used for a long time, and the interior will be uneven, and the missing part will be eaten by people. At the same time, aging plastics may release substances that may be harmful to the human body.
As for how long a plastic lunch box can "live", it depends on personal use and cleaning methods. The shelf life of most plastic lunch boxes is generally about three to five years. If it is used frequently, it is better to replace it in one to two years.
