|A non-corrosive flux which contains a highly refined resin, activator, and stabilizer in a blend of alcohol solvents. Used for soldering handles and nozzles on F-style cans and in the fabrication of 5 gallon square cans that are air tested for leakage. AMCO 4327 is the dependable choice. It induces capillary action of solder completely around the joint, forming a strong, permanent bond. Leaves a colorless, non-staining, non-corrosive residue. Designed for use with most Sn / Pb soft solders.