Acid Petro-based Flux Kit, Paste, 2 Ounce

Acid & petrolatum-based paste flux, petrolatum-based soldering paste that contains zinc chloride and ammonium chloride. The petrolatum helps protect the solder joint against corrosive attack and the paste form insures that the flux stays put until soldering. Useful on most common metals except aluminum and magnesium. It is employed mainly in plumbing and maintenance applications. 2 oz.