The ideal flux for electrical and electronic repairs. This petroleum/rosin contains NO Zinc Chloride or Ammonium Chloride, making it a better choice for electronic repairs. Rosin leaves a protective coating over soldered area once job is finished Contained in a "hockey Puck" jar Made in the USA Approximately 55g SRA Soldering products have made a name for themselves within the America for being affordable, quality products that are all made in the USA.
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