The film has high tensile strength, high elastic modulus, high impact strength and bending resistance, high surface gloss and transparency, good heat resistance (210 ℃), good stability, non-toxic and tasteless, good oxygen and moisture resistance, chemical corrosion resistance, good optical properties and electrical insulation properties. Such as high power frequency electrical strength, small dielectric loss and high resistivity. In addition, special treatment can further improve the physical properties of the film, such as improving the smoothness, antistatic, dimensional stability and surface adhesion of the film
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