The basic properties of the composite packaging film requirements

Various substrate performance after composite plastic composite film has changed a lot, so be after mastering its composite features, in order to meet the design requirements and is the requirement of the packaging products. This article lists the composite packaging film to achieve corresponding packaging requirements, should have six performance. Composite packaging film in order to meet the needs of packaging requirements, the need to have the following six performance: 1, the mechanical properties of tensile strength, rigidity, abrasion resistance, sealing, elongation, friction and so on. 2, blocking water physical and chemical properties and performance of oxygen, incense resistance, oil resistance, resistance to chemical media, avoid light, etc. 3, the use of durable performance under low temperature, high temperature performance, under the condition of high temperature stability and degradation ability, etc. 4, processability, suitable for printing, facilitate automatic packaging, anti-static, such as thermal contraction capacity meets the requirements. 5, health for the purpose of food packaging, performance should be non-toxic tasteless, it contains ingredients to food migration. 6, commodity display, whiteness, glossiness and transparency on convenience and waste easily, meets the requirements.
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