ITEM NAME:15g Repair Durability Rosin Soldering Flux Paste Solder Welding Grease for lj.It is very helpful for the welding of circuit boards. When the surface of soldering iron head or components is oxidized, it is not easy to tin and solder. When rosin is dipped in soldering iron, the oxidation can be removed quickly, and the effect of soldering AIDS is obvious.
