Advanced quality JYD soldering paste, Easy for welding. Gives Good insulation, a smooth welding surface, and Good immensity, No deterioration no dry. The flux is very effective. IC and PCB for no corrosive.Only slightly higher than the boiling point of the melting point of the solder. The Shape is similar to the butter-like paste. High bond strength, PH value neutral, insulation resistance, welding surface smooth. For mobile phones, PC cards, and other sophisticated electronic chip-level flux welding.