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Tabular Alumina

Product Name:Tabular Alumina

Index




Name of Index



Specification


Packing Method


Appearance


White crystals or Powder





1MT Jumbo ton bag packages;



25kg50kgsmall package



customized packaging.

 


(Al2O3)

Alumina



≥99.2%

 


(Na2O)

Sodium oxide



≤0.35%

 


(SiO2)

Silicon oxide



≤0.1%

 


Bulk density


≥3.5g/cm3

 



porosity


≤5.0%

 




Grain Size Distribution Table



Specification(mm)


Sieve Mesh


Typical value of Particle composition(%)


Min-Max(%)


5-3mm



+5


5


5


0-10


+4


7


40



+2.8


10


42



-2.0



1


1-2


3-1mm



+3.35


6


3


1-5


+2.0


10


42



-1.0


18


4


0-10


1-0mm



+1.0


18


3


0-6


+0.5


35


46



-0.102


150


18


10-25


1-0.5mm



+1.4


14


1


0-3


+1.0


18


5



+0.71


25


40



-0.5


35


6


0-10


0.5-0mm



+0.6


30


1


0-2


+0.5


35


4



+0.25


60


55



-0.045


325


11


5-20


0.045-0mm



+0.075


200


0


0-3


-0.045


325


95


90-100


Product Description

Tabular alumina is a high-purity, high-density alumina product processed through a specialized sintering process. 



It has exceptional thermal stability and resistance to thermal shock. 

With an extremely low coefficient of thermal expansion, excellent high-temperature performance, and corrosion resistance, 

it is widely used in metallurgy, ceramics, electrical, and refractory material industries. 



Tabular alumina is commonly used in high-temperature applications, such as furnace linings, sintered ceramics, and heating elements.


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Application Area


High-Performance Refractory Materials



·  Shaped Products: Blast furnace iron trough bricks, sliding plate bricks, permeable bricks, steel ladle seat bricks, etc.     

 


·  Unshaped Materials: Low cement castables, self-flowing castables, dry spray materials, spraying materials.



·  Features: Anti-corrosion, abrasion resistance, superior thermal shock stability, strong volumetric stability.



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Ceramics and Functional Materials


·  Applied in high-strength ceramics, electronic ceramics, and electrical insulating ceramics.



·   Can improve ceramic strength, density, and wear resistance.



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Metallurgy and Steel Industry


· Lining materials for steel ladles, molten iron ladles, and intermediate ladles.


                

           · Increases service life, reduces energy consumption, and lowers maintenance costs.



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Petrochemical and High-Temperature Kilns

        · 

          · Refractory structures for critical parts of petrochemical cracking furnaces, gasification furnaces, etc.  

  

      

          · High-temperature stability, resistant to rapid cooling and heating.



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Product Advantages


Performance:


·  Ultra-High Temperature Sintering: Achieved through high-temperature sintering at 1800-1900°C, resulting in materials with exceptionally high density and purity.

        


·  Strong Thermal Shock Stability: Effectively resists thermal shock in high-temperature environments.


         

·  High Mechanical Strength: Offers high strength and wear resistance, making it particularly suitable for demanding industrial conditions.


         

·  Superior Insulation Properties: Exhibits excellent electrical insulation performance, ideal for use in the electronics field.


Storage & Transportation

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