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Analysis And Comparison Of PVC Film And PET Film
May 23, 2018

Today we will analyze and compare the PET film and PVC film.


The PET membrane, a polyterephthalic acid, contains roughly two esters of poly (PET) and Polyterephthalate (PBT), including poly (ethylene terephthalate) and Polyterephthalate (PBT). The internal molecular structure of PET is highly symmetrical. It has a certain crystallizing orientation. Therefore, it has high film-forming property and good properties. PET has good optical properties and weatherability. Amorphous PET has good optical transparency. In addition, it also has excellent wear resistance, dimensional stability and electrical insulation. The bottle made of PET has the advantages of high strength, good transparency, non-toxic, anti penetration, light weight and high production efficiency, so it has been widely applied.

The main uses of PET film are: film sheet material; all kinds of food, drugs, non-toxic and sterile packaging materials; high-grade packaging materials for textiles, precision instruments and electrical components; materials for tapes, video tapes, film films, computer floppy discs, metal coating and photographic film; electrical insulation materials, capacitor films. , flexible printed circuit boards and thin film switches and other electronic and mechanical fields.


The full name of PVC is Polyvinyl Chloride (PVC). It is a synthetic material with the main composition of PVC and other components (such as antiaging agent, modifier, etc.) to enhance its heat resistance and ductility. The essence of PVC film is a vacuum plastic film. The top layer of the film is lacquer, the main component in the middle is polyvinyl chloride, and the bottom layer is the back coating adhesive. PVC films are mainly used for surface packaging of various panels.


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