100 LBS Assay Dense Soda Ash

Assay Dense Soda Ash is an assaying flux or flux thinner used for melting and smelting precious metals. Also used for gold recovery from black sands and bench grinds. Can be used on its own or as an ingredient in your own flux recipe.

Also Known as Sodium Carbonate

A Sodium Salt of Carbonic Acid

Formula: Na2CO3

Proudly Made in the USA