25 Jul FAVORCOOL JFB-102S 1/2 lb Brazing Flux powder for Silver Phos Copper Welding Rod
● The important functions of soldering flux are as follows: assisting heat conduction, clearing the oxide on the surface of parent materials and brazing materials. reducing the surface tension of soldered materials, clearing oil stain on the surface of Soldered materials (parent materials), enlargino brazing...