Boric Oxide
Formula: B2O3
| DENS - Density (Specific Gravity) |
1.5-1.75 |
| DTMP - Decomposition Temperature |
185C |
| MLPT - Melting Point (MP) |
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
- (URLs)
Boric Oxide Data Sheet
http://www.borax.com/pdfs/dist/Profile_Boric_Oxide... - (Materials - Related)
Anhydrous Borax - Na2B4O7 - Fused Borax, Sodium Tetraborate
Calcined Borax, Dehydrated Borax, Pyrobor
- (Materials - Related)
Borax Pentahydrate - Na2B4O7.5H2O - Etibor-48
Borax 5 Mol, Sodium Tetraborate, Borax 5-hydrate
- (Materials - Related)
Borax Decahydrate - Na2B4O7.10H2O
Sodium TetraBorate Decahydrate, Borax 10-hydrate, 10 Mol Borax, Neobor
- (Materials - Related)
Boric Acid - H3BO3 or B2O3.3H2O
Boracic acid, Orthoboric Acid, Hydrous Boric Oxide
- (Typecodes)
1: GNM - Generic Material
- (Typecodes)
1: FLS - Flux Source
- (MDT - Member)
North America
The decision about what materials to include in th... - (MDT - Member)
Europe
Countries of Eastern Europe and former Soviet Unio... - (MDT - Member)
Asia
All of Asia including Turkey, Russia, Indosnesia, ... - (MDT - Member)
Australia
We are working on this database and would apprecia... - (MDT - Member)
Latin and South America
Latin America and South America. We are working on... - (MDT - Member)
Africa
All of continental Africa. We are working on this ... - (Materials - Related)
Calcined Dolomite - CaO.MgO
Dead-burned Dolomite
- (Minerals - Parent mineral)
Borate Minerals
The major borate minerals are Colemanite and Ulexi... - (MDT - Member)
New Zealand
We are working on this database and would apprecia...
In Bound Links
- (Oxides - Closest material equivalent)
B2O3 - Boric Oxide
XML for Import into INSIGHT
<?xml version="1.0" encoding="UTF-8"?>
<material name="Boric Oxide" descrip="" searchkey="Anhydrous Boric Acid, B2O3" loi="0.00" casnumber="1303-86-2">
<oxides>
<oxide symbol="B2O3" name="Boric Oxide" status="U" percent="100.000" tolerance=""/>
</oxides>
</material> | 
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