Rosin Main solder includes both equally components – the active additive (rosin) in addition to genuine solder content – which suggests it can be utilized as the two a flux activator and as filler content in much larger joints/connections in the course of soldering work on radiators. This Web page https://euro-auto-repair75714.dbblog.net/488862/how-much-you-need-to-expect-you-ll-pay-for-a-good-types-of-solder-to-use-on-aluminum-radiator