Alumina Hydrate
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A refractory material that increases the viscosity of glazes More details... |
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Product Details
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Alumina-A refractory material that increases the viscosity of glazes, making them less runny, and that helps to control the melting point of a glaze. The main sources of alumina are china clay and ball clay. Because of its high melting point, only a small amount of alumina is needed-the proportion can be higher in a high-fire glaze. The quantity of alumina is increased for a matt surface and decreased if a crystalline glaze is desired. Alumina also helps to make glazes more durable.
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