In our daily lives, food-grade plastic bags are really everywhere, but they also have a variety of different functions, and the scope is completely different, such as the more common food-grade plastic bags. This kind of plastic bag is mainly used to store food. In most cases, the thickness is between 0.05-0.06 mm. Polyethylene materials are also selected. However, in such cases, many people may not understand it. What are the characteristics and how to distinguish them from conventional non-food and plastics.
What are the characteristics of food grade plastic bags
Why many people use this kind of plastic bag is because it has the characteristics of safety and non-toxicity, and also has the effect of resistance to low temperature or high temperature. In the current life, this kind of plastic bag has more chances to be used. For example, it will also become a food plastic box, or a plastic bag for food straws. Why many people are willing to choose this plastic bag, mainly because it has excellent strength and high temperature resistance, even directly It can be heated in a microwave oven, and it is not easy to cause obvious problems. At the same time, many people will also find that this type of plastic bag can be used for heating food packaging, such as microwave heating food, or quick-frozen dumplings, etc., even if you fall from a high altitude, you don’t have to worry about it. This is the current advantage.
How to judge whether it is a food grade plastic bag
If you want to know whether plastic bags have food-grade characteristics, you should first consider different aspects. For example, the best way is to observe visually. Generally speaking, it is not recommended to choose darker plastic bags. , Because this kind of plastic bag will also add dyeing ingredients in the development process, so it is easy to have problems, it is also recommended to choose light-colored plastic bags as much as possible when selecting. In addition, if you find that plastic bags have obvious odors when you buy them, it means that they are not suitable for packaging food at all. Otherwise, obvious problems will easily occur and your personal health will be affected. When you touch it, you will also find that food-grade plastic bags are often very shiny, and also relatively smooth, not prone to stickiness. Why is it not easy to feel sticky? It is also because there are not many adjuvants added in it, so it has become the longest kind of packaging material for daily food.
However, the price required for food-grade plastic bags is not exactly the same. After all, the heat resistance effect that can be achieved or other functions are not exactly the same. If you want to truly choose a plastic bag that satisfies yourself, then you too You will find that its price has a certain difference. Sometimes it may only cost 5-10 yuan per kilogram, and sometimes it may also cost 10-20 yuan per kilogram. There is an obvious difference in the middle. Choosing a plastic bag that satisfies you, then the correct choice is also very important. After all, the styles of plastic bags you currently have are completely different, and the materials are also different, so when you are choosing, you should not overlook all the different links. The correct choice is very important and can bring more Advantages, this is also some content that cannot be ignored.