GPK Premium Black Gold Flux 1 lb

GPK Premium Gold Flux 1 lb

Our own special mix without lead (no cupelling necessary) and consisting

of 4 main ingredients: Sodium Tetraborate, Sodium Carbonate, Silica and

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 melting precious metals in all GPK

Kilns and others.