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Pvc塑料和普通塑料的区别
更新时间: 2022-01-20 09:18:32  

PVC即聚氯乙烯塑料,显然最本质的区别在于塑料内部含有氯元素,所以不能直接接触饮用水或食物,其次由于pvc塑料分子链极性太大,塑性差,所以往往需要添加40%以上的增塑剂(塑化剂),往往也不能直接接触饮用水或食物。

普通塑料,往往是人畜无害的,但PVC的力学性能以及成本优势也决定了它会得到广泛的应用。

关键词: pvc 塑料 普通 区别

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