MaAnt UP-78A 223A Halogen-Free SMT Soldering Flux Solder/Paste Rosin Welding Oil The MaAnt UP-78A (often categorized under the 223A series) is a popular choice for technicians who need a reliable, “no-clean” flux for high-precision SMT and BGA work. It’s designed to be effective without the harsh chemical footprint of traditional halogenated fluxes.   Product Overview … Continue reading MaAnt UP-78A 223A Halogen-Free SMT Soldering Flux Solder/Paste Rosin Welding Oil