Rosin core solder wire $ 4.95 Formulated with high-quality rosin, rosin flux is divided into R type (non-reactive), RMA type (medium-active) There are three types of RA type (high activity type). This type of product has fast welding speed, less spatter, bright solder joints, and is widely used Features, adapted to the rapid development of modern electronics industry and the needs of welding processes. Bright solder joints, reliable performance; Excellent welding performance; Less welding spatter, less smoke, easy smell; Less corrosive; Less residue and bright color after welding; High insulation resistance. Mainly used for high-quality welding
