Generally, you want 60/40 (60% tin, 40% lead). Most modern electronics are lead free, but for hobby work lead is fine. Just wash your hands when you’re done! The solder produced for plumbing ...

[Ted Yapo] shared a method of easily and conveniently soldering to aluminum, which depends on a little prep work to end up only slightly more complex than soldering to copper. A typical way to ...

Lead free solder is safer to work with and more environmentally friendly, but has a higher melting point so will take longer ...

Overview of Chinese Refined Tin Smelters and Downstream Solder Enterprises' Chinese New Year Holiday Arrangements] According to the SMM survey, the holiday arrangements for some domestic refined tin ...