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Barium Carbonate


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Barium Carbonate is the main source of barium oxide in glazes where it functions as both a flux and assists in producing matte finishes. Because barium carbonate is both a flux and a matting agent, it achieves results that can be difficult to capture with other materials. There are many glazes that take advantage of barium carbonate's tendency to produce crystals within a matte matrix. Barium carbonate is also used to neutralize sulfates and cut down on surface scumming in clay bodies.

Chemical Formula: BaCO3

Synonyms: Barium Carb

WARNING: This is a very toxic substance causing lung and kidney damage, heart disorders and nervous system disorders with possible paralysis and death. It is a skin, eye and respiratory tract irritant. Acute exposure to the skin and eyes causes redness and pain. Inhalation causes sore throat, coughing, shortness of breath and possible paralysis. Ingestion causes abdominal pain, vomiting, diarrhea, trembling, faintness, convulsions and paralysis of arms and legs.

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