It was support the soldering of high-density, miniaturized, ultra-fine copper pillars and microsphere bumped flip-chip IC packages. This flux suitable for small and intensive welding equipment such as precision type solder, BGA soldering and SMD soldering. each soldering flux is equipped with a plunger and dispensing tip, which is more convenient to use, and can accurately place the flux to the required place, making your circuit board and other manufacturing and maintenance more convenient.