We don't want to hype this solder TOO much, but this could possibly be the best solder in the world. There, we've said it. This is a special blend made specifically for us and we love it. It all started as a quest to find the best solder to use in our production process and ended up being the best we've tried. The best part is that it's lead free and has a water-soluble flux core.
This package contains 1/4lb of solder and has a diameter of 0.020" (0.5mm).
**Mix: **96.35% Sn (Tin), 3.0% Ag (Silver), 0.5% Cu (Copper), 0.15% Sb (Antimony).
Documents:
- [MSDS](http://cdn.sparkfun.com/datasheets/Tools/Part 4592 4593 - SDS - Indium Corp.pdf)