How to identify the quality of tin wire? JJY Solder Paste Manufacturer

It is usually seen with the eyes. High-quality solder wire looks lustrous, has no oxidation and will not turn black.
The second is to touch by hand. High-quality solder wire won't stick to your hands easily when wiped by hand. If it gets darker on your hands, it indicates a relatively high lead content. Tin wire is generally not too hard, making it convenient to swing during use. It has good ductility, so the softer it is, the better the purity. Experienced workers in the soldering industry can usually distinguish which solder wires are of high quality and which have a high lead content with just a pair of hands. Moreover, without some experience, it is impossible to tell the subtle differences among these solder wires.

Because of the ones available on the marketSolder wireThere are also many types. Therefore, when choosing high-quality solder wire, sometimes it is difficult to judge just by its appearance. So it is better to be cautious. Solder wire also needs to be judged based on insulation resistance, expansion rate and moisture resistance performance. As for lead-free solder wire, it depends on whether it compliesROHSThe criteria for identification include flux residue, halogen-free, and tinning speed.

In conclusion, to choose a relatively good product, it is still necessary to select the right manufacturer. The solder paste of Shenzhen JJY brand has a long history12A solder paste and wire manufacturer specializing in the annual research and development of solder paste, solder wire, solder wire, lead-free solder paste, leaded solder paste, solder rods, leaded solder paste, etc. For solder paste, choose the JJY brand solder paste manufacturer. You can consult them!!