- Henan Xinhongji Refractory Material Co. Ltd.
-
Zhengzhou, Henan, China
- Main products: Refractory bricks, refractory castable, High alumina bricks, Mullite bricks, High Alumina Castable, Magnesia bricks, Refractory fire clay bricks, Silica mullite bricks, Calcined Kaolin, ceramic balls, Honeycomb ceramic regenerators, Bauxite
Home > Products > Raw Material > High Alumina Homogenized Bauxite Compound Aggregate
High Alumina Homogenized Bauxite Compound Aggregate
- Tianjin/Qingdao
- T/T L/C Cash
- 10 days
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Product Details
| Brand Name | Xinhongji Refractory | Place of Origin | China | |
| Model Number | XHJCR101 | Shape | Powder | |
| Material | Alumina Block | CaO Content (%) | 0.1~2 | |
| MgO Content (%) | 0.1~25 | SiO2 Content (%) | 0.5~60 | |
| Al2O3 Content (%) | 10~99 | Refractoriness (Degree) | Common (1580°< Refractoriness< 1770°) |
Product Description
High Alumina Aggregate Refractory
High Alumina Raw Materials (also called bauxite or flint clay) are used to improve the performance of refractories by imparting properties such as strength, protection from chemical and physical attack, and slag resistance. Refractory products can be broadly divided into basic, neutral and acidic groups, which relate to the type of refractory environment the product has been designed for (e.g., basic oxygen steelmaking) and hence the minerals used in its manufacture.
Minerals commonly used for refractories include (but are not limited to) alumina, bauxite, graphite, kaolin, magnesia and zirconium. These minerals are produced globally but, in some cases, not always of grades suitable for refractory applications (e.g., magnesite and bauxite).
One of the most robust refractories is alumina, which consists of aluminum oxide and traces of other materials. Alumina is highly stable chemically and has superior hardness, strength and spalling resistance. Refractory suppliers manufacture alumina that is suitable for lining furnaces operating at temperatures up to 1843 centigrade degree.
The raw ores of alumina are mainly bauxite or flint clay, or the mixed homogeneous materials.
Our calcined bauxite products have high alumina and low iron content, making them ideal refractory materials. We use our crushing and sizing technology to supply customers with the highest quality sized calcined bauxite and brown fused alumina. Quality is of the utmost importance and we are constantly aware that any deviation from our high standards could have major implications for refractory lining stability.
Features
High alumina bauxite, iron bauxite, industrial alumina and clay as raw materials, which are made into mullite refractory bricks or High Alumina Bricks. The bauxite raw materials should be pre-fired to remove the structural water to avoid popping and splashing when the electric arc is concentrated and decomposed in the electric arc furnace.
Chemical & Physical Index
Physical Parameters
Color | White, gray, sometimes stained yellow, orange, red, pink, or brown by iron or included iron minerals |
Streak | Usually white, but iron stain can discolor |
Luster | Dull, earthy |
Diaphaneity | Opaque |
Cleavage | None |
Mohs Hardness | 1 to 3 |
Specific Gravity | 2 to 2.5 |
Diagnostic Properties | Soft, low specific gravity, color. Often exhibits pisolitic habit. |
Chemical Composition | Variable but always rich in aluminum oxides and aluminum hydroxides |
Crystal System | n/a |
Uses | The primary ore of aluminum. Synthetic bauxite is used as an abrasive and as a fracking proppant. |
Chemical Parameters
Grades | Al2O3（%） | Fe2O3 (%) | Ti2O（%） | CaO+MgO（%） | K2O+Na2O（%） | Bulk Density (g/cm³) | Water Absorption (%） | Refractoriness (℃) |
90 | ≥90 | ≤1.4 | ≤2.5 | ≤0.2 | ≤0.2 | ≥3.4 | ≤3 | 1910 |
87 | ≥87 | ≤1.8 | ≤3.1 | ≤0.2 | ≤0.2 | ≥3.2 | ≤3 | 1850 |
85 | ≥85 | ≤1.9 | ≤3.2 | ≤0.2 | ≤0.2 | ≥3.1 | ≤4 | 1800 |
80 | ≥80 | ≤2.0 | ≤3.5 | ≤0.3 | ≤0.3 | ≥2.9 | ≤5 | 1750 |
70 | 70-80 | ≤2.0 | ≤3.8 | ≤0.6 | ≤0.6 | ≥2.75 | ≤5 | 1710 |
60 | 65-70 | ≤2.0 | - | ≤0.6 | ≤0.6 | ≥2.45 | ≤6 | 1650 |
50 | 55-65 | ≤2.2 | - | ≤0.6 | ≤0.6 | ≥2.45 | ≤6 | 1610 |
45 | 45-55 | ≤2.5 | - | ≤0.6 | ≤0.6 | ≥2.40 | ≤7 | 1550 |
Application :
To be made into refractory products, such as refractory bricks, refractory castables, refractory mortars etc.
Package
1 ) . In 1MT Big Bag
2 ) . 25KG PP Bag, packed In 1MT Big Bag
3 ) . customized packing as required
Contact Us
- Henan Xinhongji Refractory Material Co. Ltd.
- Contact nameJacky Yan Chat Now
- Phone86-371-55611337
- AddressZhongyuan District, Zhengzhou, Henan
Product Categories
| Refractory Bricks | Refractory Castable | Raw Material | Refractory Ceramic Ball |
| Honeycomb Regenerator | Refractory Cement |
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