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Properties of polyester film
2023-02-04
Generally, polyester film is colorless, transparent and glossy film (additive particles can now be added to make it have color). It has excellent mechanical properties, high rigidity, hardness and toughness, puncture resistance, friction resistance, high and low temperature resistance, chemical resistance, oil resistance, air tightness and fragrance retention. It is one of the commonly used composite film substrates of resistance, but its corona resistance is not good.
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Daguyue Trade Successfully passed the national intellectual property through standard audit and certification2023/08/23New Century Inspection and Certification Co., Ltd. on the implementation of intellectual property management system of Daguyue Trade, the operation of a two-day on-site audit, through the review of materials, research and evidence collection, access to documents and information, organization of talk......
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