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How to identify the material of food preservation film.
Release time:
2021-04-22
Food preservation film is ubiquitous in people's lives, especially in summer, which is the peak season for its use. Today, the technical editor of Juyou Paper & Plastic Products, a professional manufacturer of food preservation film, will tell you how to distinguish the quality of food preservation film on the market.
Food preservation film is ubiquitous in people's lives, especially in summer, which is peak season for its use. Today, the technical editor from Juyou Paper Plastic Products, a professional food preservation film manufacturer, will tell you how to distinguish the quality of food preservation film on the market.
First of all, as consumers, we don't understand the material of food preservation film, so we use our eyes to judge. We look at the color of the whole roll of preservation film. If it is white, it is PE material; if it is slightly yellowish, it is PVC material.
Next, we touch it with our hands. Generally, the PE preservation film is not very sticky, nor is it very transparent, and it is easy to break during stretching. In these aspects, our PVC preservation film is better.
Third, we can try burning it with a lighter. Everyone must pay attention to fire safety at this time. When ignited, PE film burns with a yellow flame, burns quickly, does not immediately extinguish after being removed from the flame, and produces dripping oil. PVC film is different: the flame is yellowish-green, with a lot of smoke, and it extinguishes after being removed from the flame, with a strong pungent odor, and no dripping oil.
Through our editor's detailed introduction, you can easily distinguish the material of our food preservation film.
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