Plastic products such as fresh-keeping bags and fresh-k […]
Plastic products such as fresh-keeping bags and fresh-keeping boxes,Plastic Picnic Bowl have been integrated into our lives. So, does this kind of plastic products have a shelf life? Will expired plastic products have health effects?
In addition to fresh-keeping bags, plastic products such as fresh-keeping boxes and washbasins actually have a shelf life. Due to the different uses and specific ingredients, the shelf life is also different. Most plastics have a shelf life of 2 to 4 years.
Experts suggest that food plastics that have passed the shelf life are best not to be used, so as not to endanger the health of citizens. Many people usually don't pay attention to the shelf life of some plastic products such as fresh-keeping boxes. They are often used for several years. In fact, when we observe carefully, we can find that soft plastics such as fresh-keeping bags and garbage bags have a production date and a shelf life, and most of them are 3 to 4 years.
The packaging of plastic boxes is not necessarily the case. Some have production dates and shelf life, while others do not have them, and some have only one. In addition, plastic products such as washbasins, trash cans, and toothbrush cups do not show the production date and shelf life.
Is there a shelf life for plastic products? Like food, plastics also have shelf life, but the composition of each plastic is different, and the specific shelf life is also different. For this, the country has relevant regulations to clearly explain it. Some of the plastics past the shelf life can be seen with the naked eye. For example, the plastic has become brittle, yellowed, and cracked. These are all signs of the expiration of the plastic, but these can only be seen on the hard plastic. For the fresh-keeping bag Soft plastics, such as garbage bags, are not easy to find if they expire.
So, can plastic products that have passed the expiration date continue to be used? Food plastic products such as fresh-keeping boxes and milk bottles are related to human health and are best used within the expiration date. Plastic products such as garbage bags and washbasins even expire. , The impact is not great. In addition, exposure to high temperatures or unreasonable storage will accelerate the aging of the plastic and shorten the shelf life of the plastic.