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By Team Exalt Tech Blog For decades, most RC racers have used 60/40 leaded solder (60% tin, 40% lead) because it’s cheap, easy to melt, and leaves a shiny finish. But “easy” doesn’t always mean “better.” In fact, when you look at the science of conductivity, strength, and durability, the picture changes dramatically. Team Exalt’s PUREFUSION™ Sn99.3Cu0.7 Lead-Free Solder is engineered to outperform 60/40 in the places that matter most — cur …