is backordered and will ship as soon as it is back in stock.
For over 50 years the proven standard of quality! Batterns self pickling hard soldering flux makes hard soldering as easy as soft soldering. A flux for use on gold, silver, platinum and other metals with high melting points. Preserves temper and color of metal. Adhesive qualities of this liquid flux hold solder in place. Contains boric acid and ammonium chloride.