High quality PVC film
There are two very important reasons why PVC film can be widely used in the building materials industry: one is the unique properties of PVC (rainproof, fire-resistant, antistatic, easy to form), and the other is the characteristics of low investment and high output of PVC.
The production process of PVC is not complicated. The ordinary production line is generally composed of a roller press, a printing press, a back coating machine and a cutting machine. For the film from 0.3 mm to 0.7 mm, the pattern is printed on the front side of the film by a printer while being produced, and a layer of back coating is attached to the back of the film by a back coater. The back coating is composed of special materials and is a kind of high-energy affinity agent. It is precisely because of this back coating that the PVC film can be tightly integrated with the medium-density board or other boards, and it will not be glued for ten or even fifteen years.
The biggest problem with ordinary face masks is that they cannot solve the problem of film shedding. Since the entire production process is carried out at high temperature (the temperature in the roller press reaches 220 degrees), this makes the PVC film have high light resistance and fire resistance, and ensures the high quality of the PVC film.
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