Everyone may not know APET film more in life, but when it comes to high-end blister packaging, cartons, and windows, its application is indispensable. APET is like many films. In production, special attention must be paid to details. Only good products can make consumers trust and promote long-term cooperation. How to deal with the bubbles generated during the compounding process of APET film? If problems occur, it will not only affect the appearance , And has a great impact on later sales.

If it is a hard dot APET sheet rolls protective film, if it is a bubble, you can see it carefully before you have compounded it. This is due to the production process and other reasons for the production of PET film protective film, and it cannot be further processed. If you have a dedicated test tool, the thickness of the bubble point is different from other places.

     There are many reasons for the occurrence of hard spots (pre-transportation, production process, subsequent processing, etc.) If the film in the early stage is all right, then you must pay attention to the smoothness of the roller during the subsequent processing, you can touch the roller with your hand Smoothness. If the hardness of the rubber pressure roller is too high, the air pressure of the pressure roller can be adjusted appropriately. There is also caused by the impurities carried into the roller, which is often ignored in this respect.