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        Characteristics and application fields of PET pre-coating film
        

        
    The full name of polyester is poly-ethylene glycol ester with high mechanical strength, high stiffness, impact resistance, good physical stability, heat resistance, oil resistance, good drug resistance, and corrosion resistance. It is resistant to organic solvents and resins. It has certain chemical resistance when it is not in contact with strong alkali.

        
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        How to choose the precoated film
        

        
    The pre-coating film is a film pre-coated on paper, plastic and other substrates. It has the functions of protecting the substrate during the printing process, improving the printing effect, and enhancing the added value of the product. When choosing a pre-coated film, the following aspects can be considered:

        
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        Insulation film should be how to choose
        

        
    When choosing a thermal insulation film, the following key factors should be considered to ensure that the product is both practical and economical:

        
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        What are the types of pre film
        

        
    Hot-melt pre-coating film is a widely used pre-coating film, which is composed of hot-melt adhesive and substrate. It is characterized by strong adhesion, close combination with the substrate, good moisture-proof, oil-proof, anti-corrosion and other properties, suitable for packaging, printing, advertising and other fields.

        
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        Color aluminized film pre-coating application and advantages
        

        
    Color aluminized pre-coating film is a new type of building material, which can be widely used in the following fields:

        
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        The working principle of reflective film
        

        
    Reflective film is an optical material with high reflection characteristics, which can reflect light to a specified direction, thereby reducing the loss of light energy. At present, there are mainly two types of reflective films on the market, one is a metal reflective film, and the other is a dielectric reflective film. The metal reflective film is made of metal materials, such as silver, aluminum, etc., and is generally used in products such as mirrors and reflectors. The dielectric reflective film is made of a dielectric material, and its optical properties are different from those of the metal reflective film.

        
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        Characteristics and Application of Breathable Membrane
        

        
    The breathable film is a film material with breathable properties, mainly made of polypropylene (PP) and polyester (PET) and other materials. The breathable film has strict requirements in material selection, preparation process and permeability test.

        
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        What factors should be paid attention to when buying laser thickened lettering film
        

        
    When buying a laser thickened lettering film, there are several important factors to consider. First, you need to determine your needs and budget. Different brands and models of laser thickened lettering film may have different performance, quality and price, so you need to choose the right model and brand according to your needs and budget.

        
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        The difference between BOPP precoated film and PET precoated film
        

        
    Pre-coating refers to the process of pre-gluing and rewinding the plastic film and then compounding it with the paper printing. It is first coated on the film by the pre-coated film processing plant according to the specifications and format, and then rewound for the use of manufacturers to choose, and then combined with printed matter.

        
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