Calcium borate is a borate salt of calcium with the molecular formula Ca3(BO3)2. It can be prepared by reacting calcium metal with boric acid. The resulting precipitate is calcium borate. A hydrated form occurs naturally as the minerals colemanite, nobleite and priceite.
Use Calcium borate is used as a binder in some grades of hexagonal boron nitride for hot pressing.
Other uses include as a flame retardant in epoxy molding compounds, a ceramic flux in some ceramic glazes, reactive self-sealing binders in hazardous waste management,Calcium borate binders. (PDF) . Retrieved on 2010-02-08. additive for insect-resistant polystyrene,Calcium borate infused foam building materials and the like and method of making same - US Patent 6667350 Claims . Patentstorm.us. Retrieved on 2010-02-08. fertilizer, and in the production of boron glasses.
It is used as a main source of boron oxide in the manufacturing of ceramic frits used in ceramic glaze or ceramic engobe for wall and floor ceramic tiles.
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