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A short video explaining how to prevent fire scale. Also a short explanation on what is fire scale. With two methods to apply boric acid powder to your jewelry project when soldering to prevent the formation of copper oxide in the form of fire scale.. Boric acid applied before soldering sterling silver will prevent fire scale forming as it is a great fire scale prevention agent. These tips will help you as goldsmith and silversmith to prevent the formation of fire scale when soldering. If applied properly these methods will prevent fire scale in silver and there will be no need for fire scale removal.
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