The plating baths based on reduction and disproportionation reactions have poor stability while the replacement-based bath is stable,and the deposit has uniform thickness.

• 化学镀锡主要包括还原法化学镀锡、歧化反应化学镀锡和浸镀法化学镀锡,总结了3种方法的优缺点及反应机理。