Sodium carbonate, or SODA ASH, is a common glaze chemical for ceramics. Soda glaze produces a surface blush of color low firing, and becomes a unpredictable vapor at high temperatures. This unpredictability is valued by potters, since it produces a unique piece each time
A soluble but pure source of sodium. Used as an ingredient in carbon-trap glazes, as a deflocculant in casting slips, as a source of sodium in soda firings, and as an ingredient in Egyptian Paste.
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