A special self-fluxing solder alloy for repairing damaged galvanized coatings. Gal Viz provides excellent corrosion resistance. It has a working temperature of about 600 deg F. Apply while base metal is hot. A clean wire brush will aid in tinning the surface with Gal Viz. It can also be tinned with a paddle or cloth. Do not direct flame on the alloy. Heat the base metal and rub the rod on the metal. When it melts, the temperature is correct
HarrisĀ® Gal Viz GLVIZ90 Lead-Based Solder With Zinc, Length: 18 Inch, Width: 1/4 Inch, Thickness: 1/4 Inch, Package: 5 lb, Form: Solid, Melting Range: 786 deg F, Temperature: 350 deg F (Solidus), 550 deg F (Liquidus), Chemical Composition: 30% Tin (Sn), 50% Lead (Pb), 20% Zinc (Zn)