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pbt材料为什么会发白

更新时间: 2020-11-06 00:00:00     

pbt材料发白,有以下几种原因:1、材料有水分,烘料的时间不够,仍为白色,需要延长烘料的时间;2、注塑中料斗没有烘干装置;3、加工温度偏高,导致材料发白;4、模具排气不好。

关键词: pbt 材料 为什么

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