The AIXUN-UP 100 Zero Halogen Lead-Free Flux Tube is a premium-grade soldering flux specially designed for professional PCB repair, IC reballing, and micro-soldering. With its zero-halogen, lead-free, and environmentally safe formula, this flux ensures reliable solder joints while reducing harmful emissions. It delivers excellent wetting performance, bright solder points, and leaves minimal residue – making it perfect for high-precision electronics repair and manufacturing.