How to identify the quality of PE heat shrinkable film

PE heat shrinkable film manufacturers are producing heat shrinkable film, and the quality is good or bad. It is particularly important to distinguish its quality on May Day. Let's learn how to distinguish it. First of all, it is judged that the PE heat shrinkable film will float in the food container with qualified water quality, and the poor quality or unqualified will sink to the bottom. This is the first very simple method. The second is the sensory recognition method. The PE heat shrinkable film for food with qualified quality feels smooth and flexible when touched, and the packaging feels stiff and unqualified. The third is the ignition recognition method. Qualified heat shrinkable film is easy to ignite, if the product is unqualified, PE heat shrinkable film is not easy to ignite. In addition, PE heat shrinkable film has extremely high transparency and gloss, without crystal points. PE heat shrinkable film can perfectly present the colors and patterns printed on it, comprehensively improve the quality of the product, and better attract consumers. Next: What are the functions of PE heat shrinkable filmPrevious: What are the general properties of PE heat shrinkable film