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hdpe和pe有什么区别|化学视窗
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  • hdpe和pe有什么区别 - hdpe和pe食品袋哪个好

    hdpe和pe有什么区别 - hdpe和pe食品袋哪个好

    前言:HDPE和PE有什么区别?区别 1、强度不同。HDPE管必须承受一定的压力,通常要选用分子量大、机械性能较好的PE树脂,如HDPE树脂。强度是普通聚乙烯管(PE管...

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