Method of inspecting the quality of PE heat shrinkable film

We have always attached great importance to the quality of PE heat-shrinkable film, so PE heat-shrinkable film manufacturers will introduce to us today how to distinguish its quality. The first is the soaking identification method. Generally speaking, PE heat shrinkable film of good quality will float in water without sinking to the bottom. This kind of heat shrinkage is generally used in food packaging, so the quality is also the highest of. The second is to identify the quality through the feel. When the high-quality PE heat shrinkable film is touched by hand, it will feel very smooth and flexible, and the touch is very good. The third is to look at its combustion. PE heat-shrinkable film with qualified product quality has better combustibility, and the flame emitted during combustion is generally blue. The above is the method of inspecting the quality of PE heat shrinkable film. We must pay attention to the method of identifying the quality when identifying. Next: Performance of polymer protective filmPrevious: What conditions should a good quality protective film meet