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cpp是什么材质
更新时间: 2020-12-07 15:55:21  

聚丙烯。是通过流延挤塑生产的薄膜。它轻便,灵活,光泽度高,克服了薄膜易碎,变形和难以恢复的缺点,广泛应用于各类行业的包装原材料制作中,如食品包装、服饰包装和文件薄膜中,除此之外,其经过改良还可以用于药品包装等复合材料上,它与普通的薄膜相比,成本更低、产量更高,阻隔性能优越并且可以进行金属化处理,用在视频的包装方面是首选。

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