The reason for the two ends of the PE protective film

- Dec 28, 2019-

PE protective film performs well in the middle after being used for a period of time, but the two ends will be winged, what is the reason?

The two ends of the PE protective film will warp up. The main reason for this phenomenon is that the PE protective film is relatively stretched during the pasting process with the protected profile. After being pasted, it encounters a high temperature environment and appears Unnecessary retraction phenomenon, this problem occurs mostly in the products of customers in the south, so the PE protective film should pay attention to the impact of the environmental temperature difference on the product during the production process, and avoid unnecessary surface pulling during the paste process Stretch.