Plastic bags are more common in our days, providing more rapid use. They are more commonly used in supermarkets and major business malls. From the current plastic products circulating in shopping malls, they are generally processed from polyethylene film. In addition, another kind is processed from polyvinyl chloride. We should know some basic common sense when using them in the day. Here, the plastic bag manufacturer briefly introduces the basic skills of using differences in daily life.
Plastic bag manufacturers pointed out that the main classification of plastic bags is polyethylene and polyvinyl chloride. When distinguishing, we can pay attention to the characteristics of the two substances.
Polyethylene film is non-toxic, showing a milky translucent state, which will be more obvious if the bottom layer is superimposed. Polyethylene is relatively smooth. The surface seems to have a wax layer. If the bag vibrates, you can hear a loud sound. This kind of information will appear yellow when encountering fire, producing a smell after candle burning.
PVC is a popular synthetic material. If no pigment is added, it is generally transparent. If you touch it by hand, you will feel the frosted appearance. Generally, if the bag vibrates, the sound of this material is relatively low, and it is generally not easy to burn. Even if there is a short flame, it is also green. The difference between the two materials is relatively simple, which can be quickly identified.
The use of plastic bags is decreasing now. In order to better protect the environment, plastic bag manufacturers are encouraged to use other materials to replace them. However, even so, it still has a very important positioning as the selection of our convenient days.
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