How to make pvc blister film not bulge or bubble on the wall?

The foaming of pvc blister film is a very headache for the owner. This is indirectly caused by improper operation. The following editors tell our friends about the precautions of pvc film with professional knowledge. 1. One of the reasons why pvc film bulges and bubbles: quality is fundamental. The glue is not sticky enough, it can be divided into the following categories: A. The glue on the entire surface of the pvc film product is not thick enough. Remember, it is impossible for the glue to have glue on one side, or there is no glue on one side. There must be no glue on the entire surface or the entire section. B. There is no glue on the edge of the pvc film 3-5MM. 2. When the pvc film is pasted, the wall is very dirty or a lot of gray, and the color film adhesive is full of dust, which is easy to fall off the entire surface, or it cannot be adhered, and the place where it cannot be adhered will bubble. Large areas and small areas. 3. The pvc film wall is uneven and rough, (scratching your hands when you feel it), because the back of the color film is textured, and the contact surface with the rough wall is too small, and the color film itself has its own weight. Such a wall, fast It will fall off in a few days, slowly, in a few months or half a year. 4. The base film has been made by the guest on the wall, and the base film is not dry or the base film components have a chemical reaction with the color film glue, so we must explain to the guest that the base film is impossible, and the water must be wrung out when the rag is wiped. . 5. When the pvc film is scraped, the air is not arranged well, which leads to foaming. It is punctured with a needle and slowly scraped with a scraper. When scraping, scrape from the middle to both sides, or scrape from top to bottom, generally it will not stay. down the bubbles. The above is the introduction of pvc blister film manufacturers, I hope to help everyone!