Name: Halogen free Flux Paste（LEAD-FREE) Model: RL-559-IM Imported rosin from Japan, environmentally, lead-free and halogen-free, with high safety. Strong activity, good viscosity, good fluidity and easier tinning. Milky white paste, no residue, fast tinning. High insulation resistance, suitable for mobile phone motherboards, cpu  repair, etc. All goods QC passed before sale ,and have a product inspection report,quality assurance