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白塑料被染色了怎么办
更新时间: 2020-11-03 00:00:00  

白色塑料被染色很难洗干净,可以用有机溶剂来擦拭,比如洗洁精、甲醛、酒精、丙酮等,但这不能完全洗掉,只能让颜色变浅。白塑料能被染色是因为塑料的分子结构是有一定的空隙的,色素分子染到上面,就有一部分就扩散到塑料的分子结构中去了,这一部分色素分子是没法直接洗掉的。而有一部分没有扩散进去的就可以直接用水洗掉。

关键词: 塑料 染色 怎么办

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