pp1是什么意思哦(pp1是啥)

综合百科2022-12-04 04:31:46佚名

pp1是指塑料离心管采用PP料生产,无生物毒性,化学耐受性好。另外,PP2指耐热老化;PP3是指用于内视镜壳、左右工具箱、门把手;PP4指耐含酸碱成分及化学成分的腐蚀性气体;PP5是高抗冲、增韧、耐候等。

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