NASCO SOLDER ACID CORE 30/70 15G

Designed specifically for general purpose and hardware industry. It is a highly active, inorganic acid type of flux developed suited where a flux-cored solder wire is desirable. Acid flux is particularly useful for soldering excessively oxidized metals with extremely fast cleaning action. Excellent thermal stability to function under prolonged high temperature conditions as with torch or flame soldering. Ideal for general purposes, plumbing, car body filling, joining galvanized steel products such as gutters and filling metal seams. Not suited for aluminium, manganese, electrical or electronic applications, due to the corrosive nature of the residue.