What is the difference between rosin-core and resin-core wires in soldering pencils (not electronics)? - Quora
![Sn63pb37 Lead-Free Solder Wire All Types, Solder Wire Manufacturers - China Welding Material, Tin Solder Wire | Made-in-China.com Sn63pb37 Lead-Free Solder Wire All Types, Solder Wire Manufacturers - China Welding Material, Tin Solder Wire | Made-in-China.com](https://image.made-in-china.com/202f0j00bYycRiOWZUkq/Sn63pb37-Lead-Free-Solder-Wire-All-Types-Solder-Wire-Manufacturers.webp)
Sn63pb37 Lead-Free Solder Wire All Types, Solder Wire Manufacturers - China Welding Material, Tin Solder Wire | Made-in-China.com
![What kind of solder (rosin cored, etc. lead-free)? What is flux and when is it necessary? - Curious Inventor What kind of solder (rosin cored, etc. lead-free)? What is flux and when is it necessary? - Curious Inventor](https://store.curiousinventor.com/wp-content/uploads/2019/09/solder_sizes.jpg)
What kind of solder (rosin cored, etc. lead-free)? What is flux and when is it necessary? - Curious Inventor
![50g Lead-free Solder Wire Tin wire 0.5/0.6/0.8/1.0 mm Unleaded Lead Free Rosin Core for Electrical Solder RoHs - AliExpress 50g Lead-free Solder Wire Tin wire 0.5/0.6/0.8/1.0 mm Unleaded Lead Free Rosin Core for Electrical Solder RoHs - AliExpress](https://ae01.alicdn.com/kf/S1bae74c38c424557878d2fbcf4a9727co.jpg?width=1200&height=1200&hash=2400)