Pre-mixed flux in ready-to-use paste form. Apply to joint and heat with a torch or soldering iron.
Acid flux for all non-electrical applications such as nickel alloys, copper, steel, brass, galvanized iron and tin flux
Excellent for sweat fittings
Highly effective acid flux for non-electrical soldering
Helps keep copper clean during heating, and helps solder wet the copper surface
Use with acid core, solid core and lead-free solders