RL-223 RELIFE Halogen Free and Lead Free 100g High Quality Flux Paste Flux High Viscosity Imported Rosin Welding Flux For Phone Mainboard BGA SMD PCB Reballing Repair Original Japanese imported rosin, pure color, no impurities. Good activity, strong viscosity and good fluidity. High insulation resistance, suitable for precision electronic maintenance such as mobile phone motherboards, cpu repair. All goods QC passed before sale ,and have a product inspection report,quality assurance Package Includes: 1 x 100g Solder Paste