Solder Types
Although there are many different types of solder that can be used in wave soldering, tin/lead-based solders are the most common. However, these types of solder are quickly being replaced by lead-free solder. Tin/lead-based solder is highly toxic, and government regulations regarding all lead products are becoming increasingly strict. Workers dealing with tin/lead-based solder can be contaminated at work or carry it home on their clothes, where it can cause contamination. Lead-free solder provides a solution to this problem, but it also has its own set of problems that must be taken into consideration.
Lead adheres best to copper. The next best metals to use are nickel, brass, aluminum, tungsten, and lastly steel.
Read more about this topic: Wave Soldering
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