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如何降低无铅锡膏回流焊中温度问题

2025-03-30 16:07:16

推荐回答（1个）

回答1：

不论怎样改变锡膏助焊剂中的化学成份或添加其它元素，都无法改变锡膏的熔点。
因为锡膏的熔点只与合金成份有关，所以要改变熔点，只能换锡粉。
若想使锡膏的PEAK温度降低为二百三十度至二百四十度，建议用中温锡膏（熔点从一百七十度到两百度）,可以很好地解决高熔点问题。

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