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pp瓶|化学视窗
> 有关“pp瓶”的文章
  • pp瓶 - pp瓶和pet瓶哪个好

    pp瓶 - pp瓶和pet瓶哪个好

    前言:什么是PP瓶材料为PP,PP塑胶原料,化学名称:聚丙烯,特点:密度小,强度刚度,硬度耐热性均优于低压聚乙烯,可在100度左右使用。具有良好的电性能和高频...

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