GPK Premium Flux

Tenorex GeoServices: Mining Office & Rock Shop

$19.95 

GPK's custom recipe of Anhydrous Borax, Soda Ash, Manganese Dioxide and Silica Sand for smelting ores and melting precious metals.  It is especially good for melting pure gold with your Kwik Kiln or most other kilns or furnaces, and it delivers a beautiful, shiny finish to your gold without sticking. 

Please note: Premium Gold Flux will treat other precious metals such as silver or copper as impurities and will tend to pull them out, leaving only your gold. If you prefer to save all precious metals in your concentrates, use our Melting Flux, which has no manganese dioxide.

 

Available in 1lb bags or try 5lb bags of GPK's Original Flux, coming to our online store this summer.



 

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