8 OZ Assay Dense Soda Ash

8 OZ Assay Dense Soda Ash is a trusted assaying flux and flux thinner designed for melting and smelting precious metals. This dense sodium carbonate product, also known as sodium carbonate, helps regulate melt chemistry, reduce oxide formation, and improve gold recovery during refining. It can be used on its own or as a key ingredient in your own flux recipe.

Use cases include gold recovery from black sands and bench grinds, where a reliable flux keeps molten metals in check and supports cleaner separations.

Also known as Sodium Carbonate, Assay Dense Soda Ash delivers consistent performance whether you are refining, melting, or testing assay samples. The 8 oz package makes it easy to stock your bench and scale your flux operations.

• Dense composition for controlled fluxing and smoother melts
• Ideal for assaying flux and flux thinning
• Supports gold recovery from black sands and bench grinds
• Works on its own or as part of a custom flux recipe
• Compact 8 oz packaging for convenient storage

Enhance your refining workflow—add this reliable flux to your toolkit today.