Alternate Names: Anhydrous Boric Acid, B2O3
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|DENS - Density (Specific Gravity)||1.5-1.75|
|DTMP - Decomposition Temperature||185C|
|GSPT - Frit Softening Point||577C|
A hard glassy material, granular in texture. Exposed to the atmosphere it slowly absorbs water, reverting to boric acid. It is soluble in water but at a much slower rate than boric acid. Approximately 56.3 kg of boric oxide are the chemical equivalent of 100 kg of boric acid. Boric oxide is used where B2O3 is required without the presence of sodium or calcium and/or where water would be detrimental to the process.
Specialty ceramics: Boric oxide is used to produce various types of high strength and heat-resistant ceramic products such as boron carbide, boron nitride, titanium and zirconium diborides, as well as elemental boron.
Refractories: It is used in the manufacture of chemically bonded firebricks and castables which require resistance to high temperature, abrasion and corrosion. Boric oxide is used as a binder for magnesia-based refractory bricks and as a stabilizer for dolomite refractory bricks commonly used in steel smelting furnaces.
Glazes, frits and enamels: Suppliers speak of boric oxide as increasing strength, scratch resistance, and chemical resistance of ceramic wares such as wall and floor tiles, tableware and porcelain and of enameled appliances, however they do not say compared to what.
Out Bound Links
Calcined Borax, Dehydrated Borax, Pyrobor
Borax 5 Mol, Sodium Tetraborate, Borax 5-hydrate
Sodium TetraBorate Decahydrate, Borax 10-hydrate, 10 Mol Borax, Neobor, Borax
Boracic acid, Orthoboric Acid, Hydrous Boric Oxide
The major borate minerals are Colemanite and Ulexite. The geology required for borates is found in very few places in the world (mainly southern California, Chile, Turkey, Argentina, Spain, Russia). B...
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