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 Linyang - An expert in PVC tarpaulin / PVC film industry since 2002

Process of PVC ceiling film

by:LINYANG     2022-05-31
Ordinary adhesive film is directly attached to the surface of the board with glue at room temperature, so after one or two years, the film is easy to fall off. The PVC film is pressed on the surface of the board at a high temperature of 110 degrees by a special vacuum laminator, so it is not easy to fall off. Although PVC film has excellent quality assurance, some people may say that PVC is a chemical product after all, it is not comparable to natural materials, it cannot eliminate toxicity and odor, and it will inevitably cause harm to the environment. This is not the case. This is because the raw materials for the production of PVC film in Germany are specially refined, and the toxic substances are completely extracted, so PVC is completely non-toxic and tasteless, and has no irritation to human skin or respiratory system. For people with wood and paint allergies, furniture or kitchen utensils wrapped in PVC film are very suitable. By using PVC film as decorative film, people can use MDF, particleboard, plywood and fiberboard in large quantities, reducing the amount of wood used. There are two important reasons why PVC 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 input and high output of PVC. So, why does PVC have the above two advantages? Let us find the answer from its production process. The production process of PVC is not complicated. The ordinary production line is generally composed of a rolling machine, a printing machine, a back coater and a cutting machine. It is a film of 0.3 mm to 0.7 mm, which is produced at the same time and is printed on the front side of the film by a printing machine, and a back coat is attached to the back side of the film by a back coater. But don't underestimate this layer of back coating, it is an important guarantee for the high-quality performance of PVC film. The back coating is composed of special materials and is a high-energy affinity agent. It is precisely because of this back coating that the PVC film can be tightly integrated with the MDF or other boards, and it will not be glued for ten or even fifteen years. The biggest problem of ordinary veneer is that it cannot solve the problem of film shedding. Since the whole production process is carried out at high temperature (the temperature in the rolling machine reaches 220 degrees), this makes the PVC film have high light resistance and fire resistance, ensuring the high quality of the PVC film. Of course, this has high requirements for production machines. Usually, the cost of production equipment for a production line is about 39 million marks, equivalent to about 160 million yuan. On the other hand, the production process of PVC film is quite simple, and the output of the machine is also large. Therefore, from a comprehensive perspective, PVC is actually a low-input, high-yield product.
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