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pp+pe是什么材质
更新时间： 2020-12-04 10:04:27  

Pp的材质是聚丙烯，是由丙烯聚合而制得的一种热塑性树脂。Pe是聚乙烯的简称，是乙烯经聚合制得的一种热塑性树脂。pe聚乙烯是公认的接触食品最佳材料。无毒、无味、无臭，符合食品安全卫生标准。聚乙烯薄膜，轻盈透明，具有防潮、抗氧、耐酸、耐碱、气密性一般，热封性优异等性能。而且聚乙烯的耐化学性好，长期放置的话不容易氧化，所以经常被用来做塑料包装。Pe的强度也比较高，耐冲击性比较强。成本也比较低廉，所以在市场广泛应用。

关键词： pp pe 什么 材质

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