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Most commonly, but antimony is another basic component of some solders. The European Union, China, and California are areas where lead solder is banned in consumer products.

Tin-lead solders were most often used because they are easily melted and inexpensive. Lead-based solders have a few problems which are reducing their popularity:

- Environmental concerns about e-waste

- Worker safety concerns for people who constantly work with solder

- The low melting point, which is not suitable for modern microprocessors

Any metal which is melted to bond to another metal is a solder. Silver solder is used to repair silver jewelry, and gold solder to repair gold.

Silver solder is also used in food-grade Plumbing.

Drinking water is soldered with lead-free solder (but lead was used in nearly all plumbing soldering until the late 1980s).

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15y ago

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