BST-559A 50g Factory Direct SGS Lead-free Welding Soldering Flux

BST-559A 50g Factory Direct SGS Lead-free Welding Soldering Flux Solder Tin Paste For Mobile Phone PCB Repair Tools | 2.029.0275 | BST-559A 50g Product Description feature 1 Made of no acid soldering flux, semi solid which is not easy to dump feature 2 Have strong oxide removal effect to gold-copper alloy substrate and Wire feature 3 Strong welding power, joint high intensity, low residual feature 4 This flux have stable performance and low volatility, long use cycles, non-toxic, no irritant smell feature 5 It’s the ideal auxiliary products for High quality electronic products manufacturing feature 6 Also a good helper for maintenance enginee