ITEM NAME:10cc PCB BGA Reballing Solder Flux Paste for Phone BGA IC Chips Repair #gib Store Home Promotion Hot Item Add to Fav.NC-559: In order to wash-free solder paste, the residue color is very light and has a very high SIR value. 1 X Reballing Solder Flux Paste. It is the mixture of high-quality alloyed powder and resinic pasty flux, it can avoid the pale yellow residue, so you are easy to clean the board.