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How to choose solder wire?
The difference between lead and lead-free solder wires:
Lead solder wire has low tin content, low melting point, and is easy to solder.
The tin content of lead-free solder wire is 99.3%, with a high melting point. It is recommended to use a soldering iron with a power of over 50W for soldering, and the solder joint will be bright and firm after soldering.
How to choose?
The flowability of solder wire with 45% tin content is average, suitable for situations where welding quality requirements are not high, such as welding of ordinary equipment hardware, toys, lamps, and ordinary circuit boards
Solder wires with 63% tin content have good fluidity and are suitable for high demand soldering of precision circuit boards, computers, mobile phones, and instruments.
63% tin content solder wire has good fluidity and is suitable for high demand soldering of high-end electronic products, precision circuit boards, computers, mobile phones, and instruments.
