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. 

Excellent for use with all GPK kilns and others.

This flux is similar to Chapman’s Refining Flux but less sticky.

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

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