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The WORTHINGTON 6620F1 is a 6% silver brazing rod with 6% Silver and 7.5% Phosphorus, balance Copper. It is similar to 15% silphos with the ability to fill gaps and form fillets without adversely affecting strength. The phosphorus acts as a fluxing agent when joining copper to copper.
The WORTHINGTON 6620F1 brazing rod meets AWS BCuP-4 standards and is suitable for use with copper, copper alloys, brass, and bronze.
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