When shopping for plastic tableware, first look at whether the logo is complete, and secondly look at the product. The surface of the product should be smooth, free of stains, impurities, scratches, cracks, etc., no discoloration, fading, and smell for pungent smells.
The plastic tableware is bumpy, it’s time to change it.
Plastic products also have a shelf life. After the expiration date, the plastic will age, discolor 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. Therefore, there are always people on the Internet saying, “Plastic lunch boxes have been used for a long time, and there will be unevenness inside, and the missing part will be eaten into the stomach.” Don’t believe it~ Therefore, consumers must pay attention to plastic products. The shelf life.
At the same time, aging plastic may release substances that may be harmful to the human body. As for the “life” of a plastic lunch box, it depends on personal use and cleaning methods. The shelf life of most plastic products is generally about three to five years. If it is used frequently, it is better to replace it in one to two years.
Can’t put these foods in plastic lunch boxes
The bubbles of carbonated beverages (soda, cola, etc.) will lose the sealing ability of the plastic lunch box. Foamed food, fermented food, hot food, etc. will reduce the sealing performance of the plastic lunch box. Please try to avoid storing this in a plastic lunch box. Kind of food.
When used in a microwave oven, if the food contains a lot of oil and sugar, the plastic lunch box will be deformed if the temperature rises rapidly. Therefore, to heat the above-mentioned food, use a microwave oven special box.