... rate tin solder bar for PCB board 1:good humidity,bright beautiful,fast 2:and high isolation resi Shenzhen Jufeng ... point, beautiful, fast, no halogen, no ion pollution, high isolation resistance after cleaning, easily cleaning, environmental friendlyItemIndexItemIndexSoldering %2. ... methods1: spraying brush, clean till no remains on PCB soldering side with deionisation liquid or distilled water (40 ...