Product Description of Rongsheng Refractory Supply Refractory Raw
Material Aluminum Bauxite Powder Good Price Calcined Bauxite
The production of Calcined Bauxite involves sintering high-quality
bauxite in rotary, round, or shaft kilns at elevated temperatures.
This heating process removes the moisture present in the bauxite,
which increases its alumina concentration and refractoriness. The
result is a product with low iron content, enhanced hardness, and
exceptional toughness. Thanks to its high thermal stability and
resistance to molten slags, Calcined Bauxite plays a crucial role
as a raw material in the production of high-performance refractory
materials, abrasives, and various specialty applications that
require superior strength and durability.
Applications of Calcined Bauxite
Calcined bauxite is an extremely versatile material with a broad
range of applications across various industries, thanks to its
excellent properties such as high alumina content, thermal
stability, and resistance to molten slags.
In the metallurgical industry, calcined bauxite plays a crucial
role as a refractory material. It is widely used as the lining for
high-temperature furnaces, including blast furnaces, converters,
electric furnaces, and hot blast stoves. Additionally, it serves as
a critical component in steel ladles, where its ability to
withstand extreme heat and corrosion is essential for optimal
performance in steel production.
Within the chemical industry, calcined bauxite is employed to
create durable, heat-resistant equipment like reactors, trays,
heating furnaces, and heat exchangers. The material's ability to
resist high temperatures and maintain integrity under chemical
stress makes it an ideal choice for manufacturing equipment that
operates in harsh conditions.
Beyond these traditional uses, calcined bauxite is also valuable in
the ceramics and electronics industries. It is commonly utilized as
a binder and filler in ceramic raw materials, contributing to the
durability and heat resistance of ceramic products. In the
electronics sector, calcined bauxite is used in the production of
components that require high-temperature stability and thermal
conductivity.
With the continuous advancement of technology, calcined bauxite has
found expanding roles in environmental protection and renewable
energy sectors. It is increasingly used in the production of solar
panels, energy-efficient lighting, and electric vehicle batteries,
where its ability to enhance the performance and lifespan of these
technologies is highly valued. Moreover, the material has made
inroads into aerospace and automotive manufacturing, where its
heat-resistant properties and strength are leveraged for producing
advanced components that require exceptional performance under
extreme conditions.
In summary, calcined bauxite is no longer just a critical material
in traditional industries like metallurgy and ceramics. It has
evolved to meet the demands of emerging technologies in energy,
transportation, and environmental sustainability, highlighting its
enduring relevance and versatility.
Physical and Chemical Index of High Alumina Calcined Bauxite Powder
| Product Code | Chemical Composition (Mass Fraction),% | Bulk Density g/cm’ | Water Absorption Rate % |
| Al2O3 | Fe2O3 | TiO2 | CaO+MgO | K2O+Na2O |
| GL-90 | ≥89.5 | ≤1.5 | ≤4.0 | ≤0.35 | ≤0.35 | ≥3.35 | ≤2.5 |
| GL-88BA | ≥87.5 | ≤1.6 | ≤4.0 | ≤0.4 | ≤0.4 | ≥3.20 | ≤3.0 |
| GL-88B | ≥87.5 | ≤2.0 | ≤4.0 | ≤0.4 | ≤0.4 | ≥3.25 | ≤3.0 |
| GL-85A | ≥85 | ≤1.8 | ≤4.0 | ≤0.4 | ≤0.4 | ≥3.10 | ≤3.0 |
| GL-85B | ≥85 | ≤2.0 | ≤4.5 | ≤0.4 | ≤0.4 | ≥2.90 | ≤5.0 |
| GL-80 | >80 | ≤2.0 | ≤4.0 | ≤0.5 | ≤0.5 | ≥2.90 | ≤5.0 |
| GL-70 | 70~80 | ≤2.0 | — | ≤0.6 | ≤0.6 | ≥2.75 | ≤5.0 |
| GL-60 | 60~70 | ≤2.0 | — | ≤0.6 | ≤0.6 | ≥2.65 | ≤5.0 |
| GL-50 | 50~60 | ≤2.5 | — | ≤0.6 | ≤0.6 | ≥2.55 | ≤5.0 |
