[Luciano] didn’t want to drop a lot of cash into a flux and solder paste applicator so he built ... can usually find at a dollar store. After removing the heating element he inserted the body ...

Soldering flux is (or at least ... the same technique but with a solvent selected to soften the rosin for a paste flux, and perhaps any chemists among our readership could enlighten us about ...

No-clean compatibility – Works with all no-clean solder paste flux residues. Cost savings – Eliminates cleaning processes and pollution. High thermal reliability – Withstands multiple reflow cycles ...