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Calcined Kaolin

Calcined Kaolin

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Regular price $11.95 CAD
Regular price Sale price $11.95 CAD
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For glaze recipes that contain excessive, high-shrinkage ingredients like clay, bentonite, Gerstley borate, or magnesium carbonate, a portion of the recipe's kaolin can be replaced by calcined (pre-fired) kaolin to prevent applied glaze cracking and consequent crawling in the fired glaze. Use 86% of the kaolin amount removed.

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