'Tin lead solders' presentation slideshows

Three Guidelines to Use When Choosing a Lead-Free Solder Wire

It has been a while since the US government banned the use of lead in soldering alloys, since it was toxic and a hazard to the environment and human health. Earlier, solder wires used to consist of a 60-40 ratio of lead and tin, which was a universal combo that got all jobs done satisfactorily.

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