Gesswein® Hard Soldering Flux

Our most popular flux. Yellowish-green self-pickling flux for gold, silver, platinum and other metals with high melting points.

Adhesive quality of this liquid flux holds solder chips in place. Preserves colour and temper of metal.

Available in 4 oz., 1 Pint, 1 Quart, and 1 Gallon bottles.