GPK's own special mix without lead (no cupelling necessary) and consisting of 4 main ingredients:
- Sodium Tetraborate
- Sodium Carbonate
- Manganese Dioxide.
This flux is especially good for melting Karat or pure gold with your Kwik Kiln and delivers a beautiful, shiny finish to your gold without sticking.
Good for smelting ores and concentrates, as well as melting precious metals in all GPK Kilns and others.
All prices are priced in Canadian funds and does not include tax or shipping (if applicable).
Shipping Charges on shopping cart checkout orders ARE ONLY AN ESTIMATE due to various sizes number of boxes and destination, and may be adjusted up or down, depending on these factors.
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This product was added to our catalog on Wednesday 27 May, 2015.