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如何鉴别锡丝锡条的好坏
更新时间： 2020-09-16 00:00:00  

1、 目视查看，好的锡丝应光滑，有光泽，无氧化现象，发黑现象。 焊锡丝的质量一般是细一些的色彩发亮的较好，太粗的焊锡丝则含铅量较高，并且相对不太简略消融;

2、 好的焊锡丝发白发亮，用手擦洗不简略涂到手上，而含铅量高的锡丝则发黑，用手擦洗简略黑手。锡丝的硬度不高，延展性很好，所以越柔软标明纯度越好。

关键词： 如何 鉴别 锡条 好坏

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