Rosin Main solder contains each factors – the Energetic additive (rosin) in addition to actual solder material – meaning it may be used as both of those a flux activator and as filler material in much larger joints/connections during soldering Focus on radiators. Brass radiator what type solder and flux? https://shock-replacement-cost95948.blog-mall.com/27811391/top-guidelines-of-types-of-solder-to-use-on-aluminum-radiator