How to deal with bubbles in the composite process of APET film protective film

APET film believe that you may not understand in life, but when it comes to high-grade blister packaging, cartons, and window pieces, its application is indispensable. APET, like many films, should pay special attention to the details in the production, a good product can make consumers trust and promote long-term cooperation of the capital, then APET film in the composite process of bubbles how to deal with? If there is a problem, it will not only affect the appearance, but also have a great impact on the later sale.

If it is a hard point APET film protection film, if it is a bubble, you can see the careful observation that you have before you have composite. This is caused by the production of PET film protective film due to the production process and other reasons, and can not be further processed. If you have a special test tool, the thickness of the bubble point is not the same as in other places.

There are many reasons for hard points (early transportation, production process, follow-up processing, etc.) If the film in the early stage is no problem, then you must pay attention to the smoothness of the roller in the subsequent processing process, and you can touch the roller with your hand to feel the smoothness. If the hardness of the rubber roller is too large, the pressure of the roller can be adjusted appropriately. There is also impurities brought into the roller caused by this aspect will be ignored.