White Big Granular Borax Anhydrous For Refractories Sodium Tetraborate Anhydrous
Brand Name:ETiMADEN
Model Number:YX-LSPS
Minimum Order Quantity:25kgs/1200kgs
Delivery Time:Within 3-7 days
Payment Terms:L/C, T/T
Place of Origin:Turkey
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Lowest Price White Big Granular Borax Anhydrous for Refractories, Sodium Tetraborate Anhydrous for Refractory Materials
1. Borax Anhydrous Introduction
Turkey ETiBOR-68 disodium tetraborate anhydrous appearance is white
granular or colorless vitreous crystal. The melting point of alpha
orthorhombic crystal is 742.5 ℃, and the density is 2.28; The
melting point of beta orthorhombic crystal is 742.5℃, and the
density is 2.28. It has strong hygroscopicity and can soluble in
water and glycerol. Na2B4O7 is slowly dissolved in methanol to form
a solution with a concentration of 13-16%. the aqueous solution is
weak alkaline, insoluble in alcohol. Anhydrous borax is the product
obtained when borax is heated to 350-450 ℃. When placed in air,
isodium tetraborate anhydrous can be hygroscopically changed into
borax decahydrate or borax pentahydrate.
We sell Chinese borax anhydrous, Turkey ETiBOR-68 disodium
tetraborate anhydrous and US Na2B4O7.
Sodium Tetraborate Anhydrous for Refractory Materials
| Product Name | Lowest Price White Big Granular Borax Anhydrous for Refractories |
| Chemical Formula | Na2B4O7 |
| Other Name | disodium tetraborate anhydrous/ sodium tetraborate |
| Purity | 99.5%/99.9% |
| CAS No. | 1330-43-4 |
| EINECS NO. | 215-540-4 |
| M.W. | 201.219 |
| Boiling Point | 1575°C |
| Melting Point | 741 °C |
| HS Code | 2840110000 |
| Appearance | White Granular |
| Application | Refractories, Refractory Materials |
2. Borax Anhydrous Specifications
| Component | Content |
| B2O3 | 68.30-69.40% |
| Na2O | 30.41-30.90% |
| SO4 | 300 ppm max |
| Cl | 105 ppm max |
| Fe | 50 ppm max |
| Insolubles in water | 920 ppm max |
| Size | |
| +1.600mm | 5.00% max |
| -0.075mm | 5.00% max |
3. Borax Anhydrous for Refractories, Refractory Materials
Borax anhydrous can be used as a stabilizer and bonding agent in firebricks and castables. Borax anhydrous gives an intermediate-temperature glassy bond prior to ceramic bond establishment, at which point the borate compound is frequently volatilized from the system.
Anhydrous borax plays an important role in the manufacturing of refractories materials, mainly improving the fire resistance of materials through the following methods:
As an additive for fire-resistant materials: Anhydrous borax can react chemically with other components in
refractories materials to form inorganic boron compounds. These
inorganic boron compounds exhibit good stability and chemical
inertness at high temperatures, effectively preventing the spread
of flames and heat.
Improving the thermal stability of materials: The addition of anhydrous borax can enhance the thermal stability
of refractory materials. Under high temperature conditions,
anhydrous borax can inhibit the thermal decomposition and
combustion reactions of materials, reducing the production of
flammable substances. This enables refractories to maintain
stability for a longer period of time in the event of a fire,
delaying the spread of the fire.
Improving the chemical stability of materials: Anhydrous borax can also enhance the chemical stability of
refractory materials. It can react with oxygen, water vapor, and
other substances in the air to form a dense protective layer,
preventing oxygen and heat from further invading the interior of
the material. This protective layer can effectively mitigate the
destructive effect of fire on materials and improve their fire
resistance.
4. Borax Anhydrous Product Pictures
5. Packing and Shipping for Borax Anhydrous
White Big Granular Borax Anhydrous For Refractories Sodium Tetraborate Anhydrous
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