有机的是很危险，特别是-OH有活性。建议慎重考虑使用。可以用FTIR探测残余物是否含有具活性的-OH基。
大家好，当使用了有机类型的焊接松香无论是否属于免洗性质的都需要清洗，否则残留的松香会存在潜在的腐蚀，如使用树脂型的免洗可以在最后免清洗，你们认为是这样的吗？谢谢
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