Ideal for soldering aluminum to aluminum and copper. Used in heating panels, high voltage components, sound equipment. Also solders aluminum to most other ferrous and non-ferrous metals.
Clean joint area. Use a soft carburizing flame to heat parts to about 430°F (221°C). Dip solder in All-State No. 509 Flux and apply to joint until flow is complete. Allow to cool. Remove all residue with hot water and brush.