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Gerstley Borate is a natural ore containing a blend of two minerals: colemanite and ulexite. The calcium borate and sodium-calcium borate present in this material dissolve very slowly in water, making it highly valuable in the ceramic industry. Used mainly as a flux in ceramic glazes
Gerstley Borate is a natural ore containing a blend of two minerals: colemanite and ulexite. The calcium borate and sodium-calcium borate present in this material dissolve very slowly in water, making it highly valuable in the ceramic industry. Used mainly as a flux in ceramic glazes
Gerstley Borate is a natural ore containing a blend of two minerals: Colemanite (Ca₂B₆O₁₁) and Ulexite (NaCaB₂O₉). The calcium borate and sodium-calcium borate present in this material dissolve very slowly in water, making it highly valuable in the ceramic industry.
Gerstley Borate is widely used as a component in raw ceramic glazes and clay bodies. Thanks to its properties, it enhances glaze adhesion, controls melting, and contributes to creating unique visual effects and durability in ceramics. This product is especially appreciated by ceramicists for its unique role as a flux, enabling the production of smooth glaze surfaces and rich finishes.
Additionally, calcium borate is ideal for crafting low-temperature glazes, making it a perfect choice for both professionals and hobbyists working in artistic, handcrafted, or industrial ceramics.
Data sheet
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